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B1 adjective #2,500 最常用 6分钟阅读

핵심적이다

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开始练习 例句 笔记与提示 핵심적이다 30秒了解
解析 핵심적이다 in your Level:
At the A1 level, '핵심적이다' is quite advanced. You don't need to use it yet. Instead, you use '중요해요' (It is important). Think of '핵심적이다' as a super-strong version of 'important'. Imagine you are talking about your family. You might say '가족이 중요해요'. Later, when you are better at Korean, you might say '가족은 내 삶에서 핵심적이에요' (Family is core to my life). For now, just remember that words ending in '-적이다' are usually formal adjectives.
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At the A2 level, you might start seeing this word in simple news clips or reading passages about work. It's helpful to recognize that '핵심' means 'core'. If you see '핵심', know that the speaker is talking about the most important thing. You can try using it in simple sentences like '이 공부는 핵심적이에요' (This study is core/essential). It makes you sound more serious than just using '좋아요' (It's good) or '중요해요'.
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At the B1 level, you should begin using '핵심적이다' to express your opinions more clearly. In discussions about social issues or hobbies, you can use it to point out the main factor. For example, '건강을 위해서 운동은 핵심적이에요' (Exercise is core for health). You should also learn the form '핵심적인' to describe nouns, like '핵심적인 이유' (the core reason). This word is very common in the TOPIK I and II exams.
At the B2 level, you are expected to use '핵심적이다' naturally in professional or academic settings. You should be able to distinguish it from '필수적이다' (essential) and '근본적이다' (fundamental). You will use it to analyze complex situations, such as '이 정책의 핵심적인 문제점은...' (The core problem of this policy is...). You should also be comfortable with the adverbial form '핵심적으로' to describe how someone is involved in a project.
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At the C1 level, you use '핵심적이다' with nuance. You understand that it implies a structural necessity. You might use it in literary analysis, high-level business negotiations, or philosophical debates. You can use it to critique arguments, noting where a '핵심적인 전제' (core premise) might be flawed. Your vocabulary should also include related Hanja terms like '핵심 역량' (core competency) and '핵심 가치' (core values).
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At the C2 level, '핵심적이다' is a tool for precise articulation. You use it to navigate the most complex linguistic environments. You can explain the subtle differences between '핵심적' and '중추적' (pivotal/backbone-like). You use it in writing professional papers, delivering keynote speeches, or engaging in high-stakes diplomacy where every word carries weight. You recognize its usage in classical or highly technical modern literature.
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开始练习 例句 笔记与提示

핵심적이다 30秒了解

  • Means 'core' or 'pivotal'.
  • Used in formal and professional contexts.
  • Stronger than 'important' (중요하다).
  • Often describes roles, values, and problems.

The term 핵심적이다 (haek-sim-jeok-i-da) is a foundational adjective in the Korean language, particularly within academic, professional, and analytical contexts. At its heart, it describes something that constitutes the 'core' or the most 'vital' part of a whole. The word is composed of 핵심 (haek-sim), meaning 'core', 'kernel', or 'nucleus', and the suffix -적 (jeok), which transforms nouns into adjectives or attributes, followed by the copula 이다 (i-da). When you describe a factor, a person, or a piece of information as 핵심적이다, you are asserting that without this specific element, the entire structure, argument, or system would likely fail or lose its primary meaning.

Etymological Root
Derived from Hanja: 核 (nucleus/seed) and 心 (heart/center).
Functional Role
Acts as a predicate to define the essential nature of a subject.
Intensity
Stronger than '중요하다' (important); it implies indispensability.

이 문제는 우리 프로젝트의 성공에 핵심적이다. (This issue is core to the success of our project.)

In daily usage, while you might use '중요하다' for general importance, you reserve '핵심적이다' for when you want to pinpoint the exact center of gravity of a situation. For instance, in a murder mystery, a specific piece of evidence isn't just important; it is the 핵심적인 증거 (core evidence). In business, a unique technology isn't just a feature; it is the 핵심적인 기술 (core technology). This word elevates the level of discourse, signaling that the speaker has identified the primary driver of a phenomenon.

그의 역할은 팀 내에서 매우 핵심적이다. (His role is very central within the team.)

Furthermore, the concept of '핵심' (core) suggests that there are peripheral elements that surround it. By using '핵심적이다', you are effectively filtering out the noise and focusing the listener's attention on the 'signal'. It is a word of prioritization. In a world of information overload, being able to identify what is '핵심적' is considered a high-level cognitive skill in Korean culture, often associated with intelligence and leadership.

데이터 분석은 현대 마케팅에서 핵심적인 요소입니다. (Data analysis is a core element in modern marketing.)

Synonym Comparison
필수적이다 (Essential) vs. 핵심적이다 (Core). '필수' implies necessity for a requirement, while '핵심' implies being the center of the structure.

Using 핵심적이다 correctly requires understanding its grammatical flexibility and its specific semantic weight. It primarily functions in two ways: as a predicate (ending a sentence) and as an attributive adjective (modifying a noun).

1. Predicative Use

When you want to state that something is core, you use the form 핵심적이다. In polite conversation, this becomes 핵심적이에요 or 핵심적입니다. This is common in presentations, debates, and formal reports.

이 가설은 논문의 논리에서 핵심적입니다. (This hypothesis is central to the logic of the thesis.)

2. Attributive Use (Modifying Nouns)

To describe a noun as 'core' or 'essential', you change the form to 핵심적인. This is perhaps the most frequent way you will encounter the word. It pairs naturally with abstract nouns like '역할' (role), '요소' (element), '가치' (value), and '문제' (problem).

우리는 핵심적인 문제에 집중해야 합니다. (We must focus on the core problem.)

Common Collocations
핵심적인 역할 (Core role), 핵심적인 인물 (Key figure), 핵심적인 원인 (Root cause).

3. Adverbial Use

While less common than the adjective form, you can use 핵심적으로 to mean 'centrally' or 'primarily'. It describes how an action is performed or how something is positioned.

그는 이 사업에 핵심적으로 관여하고 있다. (He is centrally involved in this business.)

In terms of register, '핵심적이다' is quite formal. In very casual settings, Koreans might simply say '제일 중요하다' (is most important) or '딱 그거다' (is exactly that). However, using '핵심적이다' shows a level of sophistication and clarity in thought. It is the language of strategy and analysis.

You will encounter 핵심적이다 in environments where precision and hierarchy of information are valued. It is a staple of the Korean professional and academic landscape.

1. Business and Corporate Culture

In meetings, strategy documents, and performance reviews, this word is ubiquitous. Managers use it to define 'Core Competencies' (핵심 역량) or 'Key Performance Indicators' (KPIs). If a boss says your contribution was '핵심적', it is a high compliment regarding your indispensability to the project.

이번 계약 성사에서 김 대리의 역할이 핵심적이었다. (Assistant Manager Kim's role was pivotal in closing this deal.)

2. News and Media

Journalists use '핵심적이다' to summarize the main point of a political scandal, an economic shift, or a social issue. You will often hear news anchors say, "이 사건의 핵심적인 쟁점은..." (The core issue of this case is...).

3. Academic Lectures and Research

Professors use it to highlight the most important theories or findings. Textbooks are filled with this word to guide students toward the most critical concepts they need to memorize for exams.

4. Technology and Innovation

In the tech world, '핵심 기술' (core technology) refers to the proprietary or fundamental tech that gives a company its competitive edge. Discussions about AI, semiconductors, and batteries in Korea always revolve around what is '핵심적'.

While 핵심적이다 is straightforward, learners often make subtle errors in nuance or grammar.

1. Overusing it for trivial things

Because it means 'core', using it for something minor sounds strange. For example, saying "The salt is 핵심적 in this soup" sounds overly dramatic. Use '중요하다' or '필수적이다' instead. '핵심적이다' should be reserved for structural or systemic importance.

2. Confusing with '중심적이다' (Central)

While similar, 중심적이다 often refers to physical location or being the focus of attention, whereas 핵심적이다 refers to the essential nature or the 'heart' of the matter. You are the '중심' (center) of a circle, but the '핵심' (core) of an argument.

3. Incorrect Particle Usage

When saying "X is core to Y", the particle -에 or -에서 is used. Beginners sometimes use '-를' or '-가' incorrectly.

Wrong: 이 기술이 성공을 핵심적이다.

Right: 이 기술은 성공에 핵심적이다.

4. Forgetting the '-적'

Learners sometimes try to use '핵심이다' (It is the core) and '핵심적이다' (It is core/pivotal) interchangeably. While often both work, '핵심적이다' is the proper adjective form for describing the quality of being essential.

Understanding the synonyms helps you choose the right level of intensity and context.

중요하다 (Jung-yo-ha-da)
The most general word for 'important'. It covers everything from a doctor's appointment to a life-changing decision.
필수적이다 (Pil-su-jeok-i-da)
Means 'essential' or 'mandatory'. It implies that something is a required condition (e.g., a passport is '필수적' for travel).
근본적이다 (Geun-bon-jeok-i-da)
Means 'fundamental' or 'basic'. It refers to the root (뿌리) of something. A '근본적인 문제' is a problem at the very foundation.
결정적이다 (Gyeol-jeong-jeok-i-da)
Means 'decisive' or 'crucial'. It refers to a point or factor that determines the final outcome (e.g., a '결정적인 순간' - a decisive moment).

In summary, use 핵심적이다 when you want to highlight the internal, structural 'heart' of a concept. It is the 'meat' of the matter, the 'kernel' of the truth, and the 'pivotal' gear in the machine.

How Formal Is It?

难度评级

需要掌握的语法

-적 (Suffix)

-이다 (Copula)

Noun modification with -ㄴ/은

Adverbial -로

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按水平分级的例句

1

이것은 핵심적이에요.

This is core/essential.

Simple predicate form.

2

그는 핵심적인 사람이에요.

He is a core person.

Adjective modifying a noun.

3

공부는 핵심적입니다.

Studying is essential.

Formal ending -입니다.

4

핵심적인 단어예요.

It is a core word.

Noun modification.

5

이유는 핵심적이에요.

The reason is core.

Topic marker -는.

6

핵심적인 생각이에요.

It is a core idea.

Describing an abstract noun.

7

돈은 핵심적이지 않아요.

Money is not essential.

Negative form -지 않다.

8

핵심적인 부분이 어디예요?

Where is the core part?

Question form.

1

이 질문은 시험에서 핵심적이에요.

This question is core in the exam.

Contextual importance.

2

핵심적인 내용을 적으세요.

Please write down the core content.

Imperative form -으세요.

3

그 영화의 핵심적인 장면이에요.

It is a core scene of that movie.

Possessive -의.

4

우리 팀의 핵심적인 목표예요.

It is our team's core goal.

Group belonging.

5

비타민은 건강에 핵심적입니다.

Vitamins are core to health.

Dative particle -에.

6

핵심적인 정보를 찾았어요.

I found the core information.

Past tense -았어요.

7

이 책의 핵심적인 주제는 사랑이에요.

The core theme of this book is love.

Defining a theme.

8

그의 조언은 핵심적이었어요.

His advice was pivotal.

Past tense of adjective.

1

창의성은 미래 사회에서 핵심적이다.

Creativity is core in future society.

Plain style -다.

2

그는 핵심적인 역할을 맡고 있다.

He is taking on a core role.

Progressive form -고 있다.

3

이 사건의 핵심적인 원인을 밝혀야 한다.

We must uncover the core cause of this incident.

Necessity -야 한다.

4

소통은 인간관계에서 핵심적인 요소이다.

Communication is a core element in human relationships.

Abstract concept definition.

5

그 회사의 핵심적인 가치는 정직이다.

The core value of that company is honesty.

Corporate context.

6

핵심적인 문제부터 해결합시다.

Let's solve the core problem first.

Suggestive form -읍시다.

7

이 데이터는 연구에 핵심적입니다.

This data is core to the research.

Scientific context.

8

그는 핵심적인 인물로 떠올랐다.

He emerged as a key figure.

Idiomatic expression '떠오르다'.

1

기술 혁신은 기업 경쟁력에 핵심적이다.

Technological innovation is core to corporate competitiveness.

Economic/Business context.

2

그 보고서는 핵심적인 내용을 잘 요약하고 있다.

The report summarizes the core content well.

Evaluation of work.

3

교육은 국가 발전에 핵심적인 동력이다.

Education is a core driving force for national development.

Metaphorical use '동력'.

4

핵심적인 사항을 빠뜨리지 마세요.

Don't omit the core details.

Prohibitive -지 마세요.

5

이것이 바로 핵심적인 차이점입니다.

This is exactly the core difference.

Emphasis with '바로'.

6

그는 프로젝트에 핵심적으로 참여하고 있다.

He is centrally involved in the project.

Adverbial form -적으로.

7

핵심적인 증거가 발견되어 수사가 급물살을 탔다.

Core evidence was found, and the investigation gained momentum.

Complex sentence structure.

8

그의 발언은 이번 회의에서 핵심적이었다.

His remarks were pivotal in this meeting.

Past tense predicate.

1

민주주의에서 언론의 자유는 핵심적이다.

Freedom of the press is core in a democracy.

Political philosophy.

2

이 이론의 핵심적인 전제는 인간의 이성이다.

The core premise of this theory is human reason.

Academic discourse.

3

그는 조직 내에서 핵심적인 중추 역할을 한다.

He plays a core, backbone-like role within the organization.

Redundant emphasis for impact.

4

핵심적인 가치를 지키는 것이 무엇보다 중요하다.

Protecting core values is more important than anything.

Comparative structure.

5

이 소설의 핵심적인 모티브는 복수이다.

The core motif of this novel is revenge.

Literary analysis.

6

환경 보호는 인류 생존에 핵심적인 과제이다.

Environmental protection is a core task for human survival.

Global issues.

7

그 정책은 핵심적인 부분에서 결함을 보였다.

The policy showed flaws in its core parts.

Critical analysis.

8

핵심적으로 다루어야 할 문제는 따로 있다.

The problem that needs to be dealt with centrally is something else.

Adverbial focus.

1

언어는 문화적 정체성을 형성하는 데 핵심적이다.

Language is core to forming cultural identity.

Sociolinguistic context.

2

그의 논리는 핵심적인 지점에서 모순을 드러낸다.

His logic reveals a contradiction at a core point.

Advanced philosophical critique.

3

핵심적인 역량을 집중시키는 것이 승패를 가른다.

Concentrating core competencies determines victory or defeat.

Strategic terminology.

4

이 현상의 핵심적인 메커니즘을 규명해야 한다.

We must identify the core mechanism of this phenomenon.

Scientific inquiry.

5

그는 시대의 핵심적인 정신을 대변하는 작가이다.

He is a writer who represents the core spirit of the era.

Historical/Literary context.

6

핵심적인 가치 체계가 무너지면 사회는 혼란에 빠진다.

If the core value system collapses, society falls into chaos.

Conditional complex sentence.

7

이 협상의 핵심적인 쟁점은 양측의 이해관계이다.

The core issue of this negotiation is the interests of both sides.

Diplomatic context.

8

그 연구는 암 치료의 핵심적인 돌파구를 마련했다.

The research provided a core breakthrough in cancer treatment.

Medical advancement.

常见搭配

핵심적인 역할
핵심적인 요소
핵심적인 인물
핵심적인 가치
핵심적인 기술
핵심적인 문제
핵심적인 원인
핵심적인 증거
핵심적인 사항
핵심적인 전략

常用短语

핵심적인 부분
핵심적인 내용
핵심적인 질문
핵심적인 차이
핵심적인 정보
핵심적인 위치
핵심적인 기능
핵심적인 단계
핵심적인 변화
핵심적인 영향

容易混淆的词

핵심적이다 vs 중요하다

General importance vs. structural core.

핵심적이다 vs 중심적이다

Being the focus vs. being the essential part.

핵심적이다 vs 필수적이다

Required condition vs. internal essence.

习语与表达

"핵심을 찌르다"
"핵심을 파악하다"
"핵심에서 벗어나다"
"핵심을 놓치다"
"핵심 인재"
"핵심 역량"
"핵심 가치"
"핵심 기술"
"핵심 멤버"
"핵심 전략"

容易混淆

핵심적이다 vs

핵심적이다 vs

핵심적이다 vs

핵심적이다 vs

핵심적이다 vs

句型

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如何使用

nuance

It implies that the part is not just important, but the very foundation.

frequency

Very high in formal Korean; medium in daily speech.

常见错误
  • Using it for trivial personal preferences.
  • Confusing the particle -에 with -를.
  • Forgetting the -적 suffix when modifying nouns.
  • Using it to mean 'middle' (location) instead of 'core' (essence).
  • Overusing it in very casual, slang-heavy conversations.

小贴士

Learn the Root

Memorize '핵심' (core) first; the rest follows easily.

Thesis Statements

Use this word in your opening or closing sentences for impact.

Sound Professional

Replace '진짜 중요해요' with '핵심적이에요' in interviews.

Adjective vs Noun

Remember: 핵심 (noun) vs 핵심적 (adjective).

Business Etiquette

Identify the '핵심' before presenting to a Korean boss.

TOPIK Tip

This word often appears in 'find the main idea' questions.

News Keywords

News anchors use this to signal the most important part of a report.

Prioritization

Use it to distinguish between 'must-have' and 'nice-to-have'.

Variety

Don't repeat '중요하다' too much; use '핵심적이다' for variety.

Context Clues

If you see this word, the sentence likely contains the main point.

记住它

视觉联想

A bright red heart inside a complex machine.

词源

Sino-Korean (Hanja)

文化背景

In debates, people often say '핵심은 그게 아니에요' (That's not the core point) to redirect the conversation.

Core competencies (핵심 역량) are a major buzzword in Korean corporate strategy.

Students are taught to summarize the '핵심' of every paragraph.

在生活中练习

真实语境

对话开场白

"이 프로젝트에서 가장 핵심적인 부분은 무엇인가요?"

"성공을 위해 핵심적인 요소가 뭐라고 생각하세요?"

"그 영화의 핵심적인 메시지는 무엇이었나요?"

"우리 회사의 핵심 가치는 무엇입니까?"

"이 문제의 핵심적인 원인이 무엇일까요?"

日记主题

내 삶에서 가장 핵심적인 가치 세 가지는 무엇인가?

오늘 배운 내용 중 가장 핵심적인 것은 무엇이었나?

내가 팀에서 핵심적인 역할을 했던 경험을 써보자.

행복을 위해 핵심적인 요소는 무엇이라고 생각하는가?

성공적인 인간관계에 핵심적인 태도는 무엇인가?

常见问题

10 个问题

Usually no, unless you are talking about a 'core ingredient' in a professional culinary context.

'핵심이다' means 'is the core' (noun), '핵심적이다' means 'is core/pivotal' (adjective).

Use it before a noun, like '핵심적인 이유'.

A bit, but you can use it to be serious or clear.

'부차적이다' (secondary) or '사소하다' (trivial).

Yes, it is a Sino-Korean word.

Yes, '핵심적인 인물' means a key person.

It is '핵심 가치'.

Yes, very often for core theories or components.

Yes, like '핵심적인 문제' (core problem).

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