🧭

Centered around: -(으)를 중심으로

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기준
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Advanced Grammar
🎯
TL;DR 🦄
  • 🧭 을/를 중심으로 means “centered around / focused on” a main person, topic, value, or organizing point.
  • ⚖️ 을/를 기준으로 means “based on / according to” a standard, rule, line, or criterion — close, but not identical.
  • 🧩 Use the noun’s final sound to choose 을 or 를: final consonant → 을, vowel → 를.
🔊
🎧 Iru Helper Note — When a sentence feels like a grammar pretzel 🥨, open
Korean Helper Widgets
Korean Helper Widgets and type any Korean word or sentence to hear it read aloud.
 

🌈 The Big Picture

중심 means “center,” so 을/를 중심으로 points to the thing your sentence is organized around. Think of it as the sun in the sentence’s little solar system. ☀️
 
기준 means “standard” or “criterion,” so 을/를 기준으로 points to the measuring stick. If 중심으로 asks “What is the focus?”, 기준으로 asks “What standard are we using?” 📏
 
This is advanced grammar because the English translations can overlap: “based on,” “around,” “with a focus on.” The Korean choice depends on whether the noun is a center/focus or a standard/criterion.

🎨 The Core “Centered Around” Family

1. 명사 + 을/를 중심으로 = centered around / focused on a noun
  • 학생을 중심으로 [hak-saeng-eul jung-sim-eu-ro] — centered around students 🧑‍🎓
  • 문화를 중심으로 [mun-hwa-reul jung-sim-eu-ro] — centered around culture 🎭
  • Use it for the organizing focus of 토론 “discussion,” 연구 “research,” 발표 “presentation,” 회의 “meeting,” 계획 “plan,” or 정책 “policy.”
 
2. 명사 + 을/를 기준으로 = based on / according to a standard
  • 안전을 기준으로 [an-jeon-eul gi-jun-eu-ro] — based on safety 🦺
  • 예산을 기준으로 [ye-san-eul gi-jun-eu-ro] — based on the budget 💰
  • Use it when the noun is the standard for 평가하다 “to evaluate,” 비교하다 “to compare,” 정리하다 “to organize,” or 결정하다 “to decide.”
 
3. Helpful companion words
  • 프로젝트 “project,” 팀 “team,” 지역 “region,” 문제 “problem,” 해결책 “solution,” 자료 “materials/data,” 사례 “case/example,” 결과 “result,” 목표 “goal,” 사용자 “user,” 고객 “customer,” 환자 “patient,” 가족 “family,” 환경 “environment,” 시장 “market,” 의견 “opinion,” 경험 “experience,” and 디자인 “design” are common nouns you’ll see with this grammar.

🛠️ How They Work in a Sentence

Focus / center
  • 우리는 학생을 중심으로 수업을 만들었어요. [u-ri-neun hak-saeng-eul jung-sim-eu-ro su-eob-eul man-deu-reo-sseo-yo]
      • We made the class centered around students. 🧑‍🎓
      학생 = student, 수업 = class, 만들다 = to make.
 
Criterion / standard
  • 팀은 안전을 기준으로 계획을 세웠어요. [ti-meun an-jeon-eul gi-jun-eu-ro gye-hoeg-eul se-wo-sseo-yo]
      • The team made the plan based on safety. 🦺
      안전 is the judging standard, not the “center” of a story.
 
Contrast in one breath
  • 회의는 환경을 중심으로 진행하고, 결과는 비용을 기준으로 비교해요. [hoe-ui-neun hwan-gyeong-eul jung-sim-eu-ro jin-haeng-ha-go, gyeol-gwa-neun bi-yong-eul gi-jun-eu-ro bi-gyo-hae-yo]
      • The meeting proceeds with the environment as the focus, and the results are compared based on cost. 🌿💸
      진행하다 = to proceed, 비교하다 = to compare, 비용 = cost.

🧩 General Formation Rule

Use a noun, then choose the object marker by final sound:
  • Final consonant: 명사 + 을 중심으로 / 명사 + 을 기준으로
      • 학생 → 학생을 중심으로; 안전 → 안전을 기준으로
  • Vowel ending: 명사 + 를 중심으로 / 명사 + 를 기준으로
      • 문화 → 문화를 중심으로; 자료 → 자료를 기준으로
 
Tiny pronunciation note 🎧: 중심으로 is naturally said [jung-si-meu-ro]; the ㅁ sound slides smoothly into 으.

📚 Cross-check note

The meanings of 중심 “center,” 기준 “standard/criterion,” and the particle choice 을/를 were cross-checked against National Institute of Korean Language resources at korean.go.kr. ✅

🪞 Synonym Alert

  • 을/를 중심으로 — everyday/formal; focus-centered, “with X as the center.”
  • 을/를 기준으로 — formal/analytical; standard-centered, “based on X as the criterion.”
  • 을/를 바탕으로 — “based on / on the foundation of”; useful for sources or background, but this lesson focuses on 중심으로 vs 기준으로.

⚠️ Pitfalls to Dodge

  • ❌ 기준을 중심으로 평가해요 → ✅ 기준으로 평가해요 (A criterion is used as the standard, not usually “centered around” itself.) ⚖️
  • ❌ 학생를 중심으로 → ✅ 학생을 중심으로 (학생 ends in a consonant, so use 을.) 🧑‍🎓
  • ❌ 문화을 중심으로 → ✅ 문화를 중심으로 (문화 ends in a vowel, so use 를.) 🎭
  • ❌ Translating every 중심으로 as “based on” → ✅ Ask whether the noun is a focus or a standard first. 🧭
  • ❌ Using 기준으로 for an emotional theme → ✅ Use 중심으로 when the noun is the topic or theme. 💬
You now have the compass and the ruler: 중심으로 points to the focus 🧭, while 기준으로 points to the standard 📏. Beautifully nerdy, very useful.
 

Try this exercise

Instructions: Choose whether the sentence needs 을/를 중심으로 or 을/를 기준으로. Say the sentence aloud, then open the Answer toggle to check the focus-versus-standard logic.
1. 우리는 학생＿＿＿＿ 수업을 만들었어요.
[u-ri-neun hak-saeng ＿＿＿＿ su-eob-eul man-deu-reo-sseo-yo]
We made the class centered around students. 🧑‍🎓
Answer
을 중심으로 — 학생 is the focus, and it ends in a consonant, so use 을.
2. 팀은 안전＿＿＿＿ 계획을 세웠어요.
[ti-meun an-jeon ＿＿＿＿ gye-hoeg-eul se-wo-sseo-yo]
The team made the plan based on safety. 🦺
Answer
을 기준으로 — 안전 is the standard, not the topic center.
3. 발표는 문화를 ＿＿＿＿ 진행했어요.
[bal-pyo-neun mun-hwa-reul ＿＿＿＿ jin-haeng-hae-sseo-yo]
The presentation proceeded centered around culture. 🎭
Answer
중심으로 — 문화 is the presentation’s focus.
4. 자료를 ＿＿＿＿ 결과를 비교했어요.
[ja-ryo-reul ＿＿＿＿ gyeol-gwa-reul bi-gyo-hae-sseo-yo]
We compared the results based on the data. 📊
Answer
기준으로 — 자료 is the comparison standard.
5. 회의는 문제＿＿＿＿ 진행됐어요.
[hoe-ui-neun mun-je ＿＿＿＿ jin-haeng-dwae-sseo-yo]
The meeting proceeded centered around the problem. 🧩
Answer
를 중심으로 — 문제 ends in a vowel and is the meeting focus.
6. 예산＿＿＿＿ 정책을 바꿨어요.
[ye-san ＿＿＿＿ jeong-chaeg-eul ba-kku-eo-sseo-yo]
They changed the policy based on the budget. 💰
Answer
을 기준으로 — 예산 is the standard used for the change.
7. 연구는 사례＿＿＿＿ 정리했어요.
[yeon-gu-neun sa-rye ＿＿＿＿ jeong-ni-hae-sseo-yo]
The research was organized around cases. 🗂️
Answer
를 중심으로 — 사례 is the organizing focus.
8. 목표＿＿＿＿ 프로젝트를 평가했어요.
[mok-pyo ＿＿＿＿ peu-ro-jeg-teu-reul pyeong-ga-hae-sseo-yo]
We evaluated the project based on the goal. 🎯
Answer
를 기준으로 — 목표 is the evaluation criterion.
9. 토론은 지역＿＿＿＿ 이어졌어요.
[to-ron-eun ji-yeok ＿＿＿＿ i-eo-jyeo-sseo-yo]
The discussion continued centered around the region. 🗺️
Answer
을 중심으로 — 지역 is the topic center and ends in a consonant.
10. 고객 의견＿＿＿＿ 디자인을 바꿨어요.
[go-gaek ui-gyeon ＿＿＿＿ di-ja-in-eul ba-kku-eo-sseo-yo]
We changed the design based on customer opinions. 👥
Answer
을 기준으로 — 고객 의견 is the standard/evidence for the design change.
📚
Vocabulary Box
  • 학생 → student
  • 수업 → class
  • 안전 → safety
  • 계획 → plan
  • 문화 → culture
  • 자료 → data/materials
  • 결과 → result
  • 문제 → problem
  • 예산 → budget
  • 정책 → policy
  • 사례 → case/example
  • 목표 → goal
  • 지역 → region
  • 고객 의견 → customer opinion
  • 디자인 → design
  • 만들다 → to make
  • 세우다 → to establish/make
  • 진행하다 → to proceed
  • 비교하다 → to compare
  • 바꾸다 → to change
  • 정리하다 → to organize
  • 평가하다 → to evaluate
Tip 💡 Center/focus → 중심으로. Standard/criterion → 기준으로.
🚀
Want more reps? Visit the Practice Hub when you’re ready!
 
📦
🎯 Practice Hub — Centered around: 을/를 중심으로
 
Welcome to your focus-versus-standard gym. 🧭 You’ll practice choosing 중심으로 when something is the center of attention, and 기준으로 when something acts like the measuring stick. By the end, your Korean sentences will have both a compass and a ruler. 📏
 
🔊 Audio reminder: Use
Korean Helper Widgets
Korean Helper Widgets whenever you want to hear a sentence.
 
📝 Instructions: Complete each sentence with the best form. Read the Korean line, say the blank aloud, check whether the noun is a focus or a standard, then open the Answer toggle.
 

Exercise 1 — Focus Finder 🧭

A. 토론은 환경＿＿＿＿ 시작했어요.
[to-ron-eun hwan-gyeong ＿＿＿＿ si-jak-hae-sseo-yo]
The discussion started centered around the environment. 🌿
Answer
을 중심으로 — 환경 is the focus and ends in a consonant.
B. 발표는 디자인＿＿＿＿ 구성했어요.
[bal-pyo-neun di-ja-in ＿＿＿＿ gu-seong-hae-sseo-yo]
The presentation was organized around design. 🎨
Answer
을 중심으로 — 디자인 is the organizing center.
C. 회의는 해결책＿＿＿＿ 진행됐어요.
[hoe-ui-neun hae-gyeol-chaek ＿＿＿＿ jin-haeng-dwae-sseo-yo]
The meeting proceeded centered around solutions. 🛠️
Answer
을 중심으로 — 해결책 ends in a consonant and is the focus.
D. 연구는 가족＿＿＿＿ 이어졌어요.
[yeon-gu-neun ga-jok ＿＿＿＿ i-eo-jyeo-sseo-yo]
The research continued centered around families. 👨‍👩‍👧
Answer
을 중심으로 — 가족 is the research focus.
E. 프로젝트는 사용자＿＿＿＿ 바뀌었어요.
[peu-ro-jeg-teu-neun sa-yong-ja ＿＿＿＿ ba-kkwi-eo-sseo-yo]
The project changed around users. 🧑‍💻
Answer
를 중심으로 — 사용자 ends in a vowel and is the focus.
F. 정책은 지역＿＿＿＿ 만들어졌어요.
[jeong-chaeg-eun ji-yeok ＿＿＿＿ man-deu-reo-jyeo-sseo-yo]
The policy was made centered around regions. 🗺️
Answer
을 중심으로 — 지역 is the policy’s main focus.
G. 수업은 경험＿＿＿＿ 진행했어요.
[su-eob-eun gyeong-heom ＿＿＿＿ jin-haeng-hae-sseo-yo]
The class proceeded centered around experience. 🎒
Answer
을 중심으로 — 경험 is the teaching focus.
H. 계획은 시장＿＿＿＿ 정리했어요.
[gye-hoeg-eun si-jang ＿＿＿＿ jeong-ni-hae-sseo-yo]
The plan was organized around the market. 🏬
Answer
을 중심으로 — 시장 is the center of the plan.
I. 자료는 환자＿＿＿＿ 모았어요.
[ja-ryo-neun hwan-ja ＿＿＿＿ mo-a-sseo-yo]
The data was gathered centered around patients. 🏥
Answer
를 중심으로 — 환자 ends in a vowel and is the focus.
J. 토론은 문화＿＿＿＿ 깊어졌어요.
[to-ron-eun mun-hwa ＿＿＿＿ gi-peo-jyeo-sseo-yo]
The discussion deepened around culture. 🎭
Answer
를 중심으로 — 문화 is the topic center.
📚
Vocabulary Box
  • 토론 → discussion
  • 환경 → environment
  • 발표 → presentation
  • 디자인 → design
  • 회의 → meeting
  • 해결책 → solution
  • 연구 → research
  • 가족 → family
  • 프로젝트 → project
  • 사용자 → user
  • 정책 → policy
  • 지역 → region
  • 수업 → class
  • 경험 → experience
  • 계획 → plan
  • 시장 → market
  • 자료 → data/materials
  • 환자 → patient
  • 문화 → culture
  • 시작하다 → to start
  • 구성하다 → to organize/structure
  • 진행하다 → to proceed
  • 이어지다 → to continue
  • 바뀌다 → to change
  • 만들다 → to make
  • 정리하다 → to organize
  • 모으다 → to gather
  • 깊어지다 → to deepen
Tip 💡 If the noun is the “main topic magnet,” choose 중심으로.
 

Exercise 2 — Criterion Compass ⚖️

A. 안전＿＿＿＿ 계획을 바꿨어요.
[an-jeon ＿＿＿＿ gye-hoeg-eul ba-kku-eo-sseo-yo]
We changed the plan based on safety. 🦺
Answer
을 기준으로 — 안전 is the standard.
B. 예산＿＿＿＿ 프로젝트를 평가했어요.
[ye-san ＿＿＿＿ peu-ro-jeg-teu-reul pyeong-ga-hae-sseo-yo]
We evaluated the project based on the budget. 💰
Answer
을 기준으로 — 예산 is the evaluation criterion.
C. 목표＿＿＿＿ 결과를 비교했어요.
[mok-pyo ＿＿＿＿ gyeol-gwa-reul bi-gyo-hae-sseo-yo]
We compared the results based on the goal. 🎯
Answer
를 기준으로 — 목표 ends in a vowel and acts as the criterion.
D. 자료＿＿＿＿ 사례를 정리했어요.
[ja-ryo ＿＿＿＿ sa-rye-reul jeong-ni-hae-sseo-yo]
We organized the cases based on the data. 📊
Answer
를 기준으로 — 자료 is the organizing standard.
E. 기준＿＿＿＿ 의견을 나눴어요.
[gi-jun ＿＿＿＿ ui-gyeon-eul na-nwo-sseo-yo]
We shared opinions based on the standard. 📏
Answer
을 기준으로 — A standard naturally pairs with 기준으로; yes, Korean can say “based on the standard.”
F. 비용＿＿＿＿ 디자인을 바꿨어요.
[bi-yong ＿＿＿＿ di-ja-in-eul ba-kku-eo-sseo-yo]
We changed the design based on cost. 💸
Answer
을 기준으로 — 비용 is the criterion.
G. 고객 의견＿＿＿＿ 정책을 세웠어요.
[go-gaek ui-gyeon ＿＿＿＿ jeong-chaeg-eul se-wo-sseo-yo]
We established the policy based on customer opinions. 🗣️
Answer
을 기준으로 — The opinions are evidence/criteria.
H. 시장＿＿＿＿ 가격을 비교했어요.
[si-jang ＿＿＿＿ ga-gyeog-eul bi-gyo-hae-sseo-yo]
We compared prices based on the market. 🏬
Answer
을 기준으로 — 시장 is the comparison standard.
I. 결과＿＿＿＿ 다음 계획을 만들었어요.
[gyeol-gwa ＿＿＿＿ da-eum gye-hoeg-eul man-deu-reo-sseo-yo]
We made the next plan based on the results. 📈
Answer
를 기준으로 — 결과 ends in a vowel and functions as the basis.
J. 경험＿＿＿＿ 문제를 분석했어요.
[gyeong-heom ＿＿＿＿ mun-je-reul bun-seok-hae-sseo-yo]
We analyzed the problem based on experience. 🧠
Answer
을 기준으로 — 경험 is the standard/source used for analysis.
📚
Vocabulary Box
  • 안전 → safety
  • 계획 → plan
  • 예산 → budget
  • 프로젝트 → project
  • 목표 → goal
  • 결과 → result
  • 자료 → data/materials
  • 사례 → case/example
  • 기준 → standard/criterion
  • 의견 → opinion
  • 비용 → cost
  • 디자인 → design
  • 고객 의견 → customer opinion
  • 정책 → policy
  • 시장 → market
  • 가격 → price
  • 다음 → next
  • 경험 → experience
  • 문제 → problem
  • 바꾸다 → to change
  • 평가하다 → to evaluate
  • 비교하다 → to compare
  • 정리하다 → to organize
  • 나누다 → to share
  • 세우다 → to establish
  • 만들다 → to make
  • 분석하다 → to analyze
Tip 💡 If the noun is a rule, evidence, budget, result, or measuring stick, choose 기준으로.
 

Exercise 3 — Particle Precision: 을 or 를 🧩

A. 문화＿＿ 중심으로 발표했어요.
[mun-hwa ＿＿ jung-sim-eu-ro bal-pyo-hae-sseo-yo]
We presented centered around culture. 🎭
Answer
를 — 문화 ends in a vowel.
B. 학생＿＿ 중심으로 수업을 만들었어요.
[hak-saeng ＿＿ jung-sim-eu-ro su-eob-eul man-deu-reo-sseo-yo]
We made the class centered around students. 🧑‍🎓
Answer
을 — 학생 ends in a consonant.
C. 자료＿＿ 기준으로 결과를 비교했어요.
[ja-ryo ＿＿ gi-jun-eu-ro gyeol-gwa-reul bi-gyo-hae-sseo-yo]
We compared results based on data. 📊
Answer
를 — 자료 ends in a vowel.
D. 예산＿＿ 기준으로 정책을 세웠어요.
[ye-san ＿＿ gi-jun-eu-ro jeong-chaeg-eul se-wo-sseo-yo]
We established policy based on the budget. 💰
Answer
을 — 예산 ends in a consonant.
E. 사용자＿＿ 중심으로 디자인을 바꿨어요.
[sa-yong-ja ＿＿ jung-sim-eu-ro di-ja-in-eul ba-kku-eo-sseo-yo]
We changed the design around users. 🧑‍💻
Answer
를 — 사용자 ends in a vowel.
F. 안전＿＿ 기준으로 계획을 만들었어요.
[an-jeon ＿＿ gi-jun-eu-ro gye-hoeg-eul man-deu-reo-sseo-yo]
We made the plan based on safety. 🦺
Answer
을 — 안전 ends in a consonant.
G. 사례＿＿ 중심으로 연구를 정리했어요.
[sa-rye ＿＿ jung-sim-eu-ro yeon-gu-reul jeong-ni-hae-sseo-yo]
We organized the research around cases. 🗂️
Answer
를 — 사례 ends in a vowel.
H. 지역＿＿ 중심으로 회의를 진행했어요.
[ji-yeok ＿＿ jung-sim-eu-ro hoe-ui-reul jin-haeng-hae-sseo-yo]
We ran the meeting around regions. 🗺️
Answer
을 — 지역 ends in a consonant.
I. 목표＿＿ 기준으로 팀을 평가했어요.
[mok-pyo ＿＿ gi-jun-eu-ro ti-meul pyeong-ga-hae-sseo-yo]
We evaluated the team based on goals. 🎯
Answer
를 — 목표 ends in a vowel.
J. 환자＿＿ 중심으로 자료를 모았어요.
[hwan-ja ＿＿ jung-sim-eu-ro ja-ryo-reul mo-a-sseo-yo]
We gathered data centered around patients. 🏥
Answer
를 — 환자 ends in a vowel.
📚
Vocabulary Box
  • 문화 → culture
  • 발표하다 → to present
  • 학생 → student
  • 수업 → class
  • 자료 → data/materials
  • 결과 → result
  • 예산 → budget
  • 정책 → policy
  • 사용자 → user
  • 디자인 → design
  • 안전 → safety
  • 계획 → plan
  • 사례 → case/example
  • 연구 → research
  • 지역 → region
  • 회의 → meeting
  • 목표 → goal
  • 팀 → team
  • 환자 → patient
  • 만들다 → to make
  • 비교하다 → to compare
  • 세우다 → to establish
  • 바꾸다 → to change
  • 정리하다 → to organize
  • 진행하다 → to proceed
  • 평가하다 → to evaluate
  • 모으다 → to gather
Tip 💡 Final consonant → 을; vowel ending → 를.
 

Exercise 4 — Contrast Clinic: Focus or Standard? 🩺

A. 교육은 학생＿＿＿＿ 바꿔야 해요.
[gyo-yug-eun hak-saeng ＿＿＿＿ ba-kkwo-ya hae-yo]
Education should change centered around students. 🧑‍🎓
Answer
을 중심으로 — Students are the focus of the change.
B. 교육 결과는 기준＿＿＿＿ 평가해야 해요.
[gyo-yuk gyeol-gwa-neun gi-jun ＿＿＿＿ pyeong-ga-hae-ya hae-yo]
Education results should be evaluated based on standards. 📏
Answer
을 기준으로 — Standards are criteria for evaluation.
C. 연구는 문제＿＿＿＿ 시작했어요.
[yeon-gu-neun mun-je ＿＿＿＿ si-jak-hae-sseo-yo]
The research started centered around the problem. 🧩
Answer
를 중심으로 — The problem is the research focus.
D. 분석은 자료＿＿＿＿ 진행했어요.
[bun-seog-eun ja-ryo ＿＿＿＿ jin-haeng-hae-sseo-yo]
The analysis proceeded based on data. 📊
Answer
를 기준으로 — Data is the basis/standard.
E. 프로젝트는 고객＿＿＿＿ 구성했어요.
[peu-ro-jeg-teu-neun go-gaek ＿＿＿＿ gu-seong-hae-sseo-yo]
The project was structured around customers. 👥
Answer
을 중심으로 — Customers are the focus.
F. 가격은 시장＿＿＿＿ 정했어요.
[ga-gyeog-eun si-jang ＿＿＿＿ jeong-hae-sseo-yo]
The price was set based on the market. 🏬
Answer
을 기준으로 — The market is the standard for setting the price.
G. 회의는 팀 의견＿＿＿＿ 이어졌어요.
[hoe-ui-neun tim ui-gyeon ＿＿＿＿ i-eo-jyeo-sseo-yo]
The meeting continued centered around the team’s opinions. 💬
Answer
을 중심으로 — The opinions are the topic center here.
H. 결정은 안전＿＿＿＿ 했어요.
[gyeol-jeong-eun an-jeon ＿＿＿＿ hae-sseo-yo]
The decision was made based on safety. 🦺
Answer
을 기준으로 — Safety is the criterion for the decision.
I. 발표는 사례＿＿＿＿ 설명했어요.
[bal-pyo-neun sa-rye ＿＿＿＿ seol-myeong-hae-sseo-yo]
The presentation explained things centered around cases. 🗂️
Answer
를 중심으로 — Cases are the organizing focus.
J. 정책은 비용＿＿＿＿ 비교했어요.
[jeong-chaeg-eun bi-yong ＿＿＿＿ bi-gyo-hae-sseo-yo]
The policies were compared based on cost. 💸
Answer
을 기준으로 — Cost is the comparison criterion.
📚
Vocabulary Box
  • 교육 → education
  • 학생 → student
  • 결과 → result
  • 기준 → standard
  • 연구 → research
  • 문제 → problem
  • 분석 → analysis
  • 자료 → data/materials
  • 프로젝트 → project
  • 고객 → customer
  • 가격 → price
  • 시장 → market
  • 회의 → meeting
  • 팀 의견 → team opinion
  • 결정 → decision
  • 안전 → safety
  • 발표 → presentation
  • 사례 → case/example
  • 정책 → policy
  • 비용 → cost
  • 바꾸다 → to change
  • 평가하다 → to evaluate
  • 시작하다 → to start
  • 진행하다 → to proceed
  • 구성하다 → to organize/structure
  • 정하다 → to decide/set
  • 이어지다 → to continue
  • 설명하다 → to explain
  • 비교하다 → to compare
Tip 💡 Some nouns can be either focus or standard; the verb and sentence purpose decide.
 

Exercise 5 — Mixed Mastery + Pitfall Patrol 🛡️

A. ❌ 학생를 중심으로 → ✅ 학생＿＿ 중심으로
[hak-saeng-reul jung-sim-eu-ro → hak-saeng ＿＿ jung-sim-eu-ro]
Fix the particle for “centered around students.” 🧑‍🎓
Answer
을 — 학생 ends in a consonant, so 학생을 중심으로.
B. ❌ 문화을 중심으로 → ✅ 문화＿＿ 중심으로
[mun-hwa-eul jung-sim-eu-ro → mun-hwa ＿＿ jung-sim-eu-ro]
Fix the particle for “centered around culture.” 🎭
Answer
를 — 문화 ends in a vowel, so 문화를 중심으로.
C. 기준＿＿＿＿ 평가했어요.
[gi-jun ＿＿＿＿ pyeong-ga-hae-sseo-yo]
We evaluated it based on standards. 📏
Answer
을 기준으로 — Avoid 기준을 중심으로 평가하다; standards are used as criteria.
D. 문제＿＿＿＿ 토론했어요.
[mun-je ＿＿＿＿ to-ron-hae-sseo-yo]
We discussed it centered around the problem. 🧩
Answer
를 중심으로 — A problem can be the discussion focus.
E. 안전＿＿＿＿ 결정했어요.
[an-jeon ＿＿＿＿ gyeol-jeong-hae-sseo-yo]
We decided based on safety. 🦺
Answer
을 기준으로 — Safety is the decision criterion.
F. 사용자 경험＿＿＿＿ 디자인을 정리했어요.
[sa-yong-ja gyeong-heom ＿＿＿＿ di-ja-in-eul jeong-ni-hae-sseo-yo]
We organized the design around user experience. 🧑‍💻
Answer
을 중심으로 — 사용자 경험 is the focus; the phrase ends in a consonant.
G. 비용＿＿＿＿ 결과를 비교했어요.
[bi-yong ＿＿＿＿ gyeol-gwa-reul bi-gyo-hae-sseo-yo]
We compared the results based on cost. 💸
Answer
을 기준으로 — Cost is the comparison standard.
H. 회의는 지역＿＿＿＿ 이어졌어요.
[hoe-ui-neun ji-yeok ＿＿＿＿ i-eo-jyeo-sseo-yo]
The meeting continued centered around regions. 🗺️
Answer
을 중심으로 — 지역 is the center of discussion.
I. 자료＿＿＿＿ 결정했어요.
[ja-ryo ＿＿＿＿ gyeol-jeong-hae-sseo-yo]
We decided based on the data. 📊
Answer
를 기준으로 — Data is the basis for deciding.
J. 연구는 환자와 가족＿＿＿＿ 진행됐어요.
[yeon-gu-neun hwan-ja-wa ga-jok ＿＿＿＿ jin-haeng-dwae-sseo-yo]
The research proceeded centered around patients and families. 🏥👨‍👩‍👧
Answer
을 중심으로 — The joined phrase ends with 가족, a consonant-ending noun, and it is the focus.
📚
Vocabulary Box
  • 학생 → student
  • 문화 → culture
  • 기준 → standard/criterion
  • 문제 → problem
  • 안전 → safety
  • 사용자 경험 → user experience
  • 디자인 → design
  • 비용 → cost
  • 결과 → result
  • 회의 → meeting
  • 지역 → region
  • 자료 → data/materials
  • 연구 → research
  • 환자 → patient
  • 가족 → family
  • 평가하다 → to evaluate
  • 토론하다 → to discuss
  • 결정하다 → to decide
  • 정리하다 → to organize
  • 비교하다 → to compare
  • 이어지다 → to continue
  • 진행하다 → to proceed
  • 와 → and/with
Tip 💡 Pitfall patrol: don’t confuse particle choice with meaning choice. First choose 중심으로 or 기준으로, then choose 을 or 를.
 
🎉 Great work — you can now tell whether Korean wants a center of gravity (중심으로) or a measuring stick (기준으로). That’s advanced-grammar balance with excellent posture. 🧘