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A1 noun 11分で読める

경계

練習する例文メモとヒント 경계 30秒で

解説 경계 in your Level:

At the A1 level, '경계' (gyeong-gye) is introduced as a basic concept of 'watching out' or 'being careful' in a slightly more formal way than '조심'. While beginners usually learn '조심하세요' (Be careful) first, they might see '경계' on signs or hear it in simple stories about guards or soldiers. At this stage, you should understand that '경계' is a noun that means 'vigilance' or 'guarding'. You might encounter it in simple sentences like '개 조심' (Beware of dog), which is similar in spirit but '경계' is used when someone is actively watching. For example, '경계를 서요' means 'I stand guard.' It's a useful word to know for basic safety and understanding simple news or stories. You don't need to use it in complex ways yet; just recognize it as a word for being very watchful, like a superhero watching over a city or a soldier at a gate. It helps to associate it with the 'Gyeong' in 'Gyeong-chal' (Police).

At the A2 level, you can start using '경계' in more specific contexts, such as describing someone's actions or feelings. You might learn the verb form '경계하다' (to be vigilant/to watch out). At this level, you can use it to describe being wary of strangers or keeping a watch during a camping trip. For instance, '모르는 사람을 경계해요' (I am wary of strangers). You will also notice it in compound words or simple phrases like '경계심' (a feeling of wariness). You should be able to distinguish between '조심' (general care) and '경계' (active watching for danger). In A2 reading materials, you might see '경계' used in the context of weather alerts (e.g., heavy rain alert). Understanding this word allows you to grasp more formal warnings and descriptions of safety measures in public places like parks, subways, or near construction sites.

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At the B1 level, '경계' becomes a more nuanced tool for communication. You will encounter it in news reports, social discussions, and intermediate literature. You should be comfortable using phrases like '경계 태세를 갖추다' (to be on alert) and '경계를 강화하다' (to strengthen vigilance). At this stage, you start to see the word used in broader contexts, such as economic '경계' (being wary of market changes) or psychological '경계' (social wariness). You will also begin to encounter the homonym meaning 'boundary' more frequently, and you must use context to decide if it means 'vigilance' or 'limit'. For example, in a discussion about international relations, '경계' could mean the border itself or the act of guarding it. B1 learners should be able to explain why someone is '경계'ing something—for example, a company guarding its secrets from a rival.

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At the B2 level, '경계' is used in sophisticated ways to describe complex social and political situations. You will hear it in debates about national security, where '철저한 경계' (thorough vigilance) is a common theme. You should understand the idiomatic use of '경계 대상' (a target of vigilance/someone to watch out for) and be able to apply it to people, trends, or even diseases. B2 learners should also understand the nuance of '경계심을 늦추다' (to let one's guard down) in both literal and metaphorical senses, such as in sports or negotiations. You will encounter '경계' in more academic or professional texts, where it describes systematic monitoring and alert levels. The word is no longer just about a person watching a gate; it's about a society or an organization being alert to potential risks, whether they are environmental, financial, or social.

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At the C1 level, your understanding of '경계' should include its philosophical and literary applications. You will see it used in essays and high-level journalism to describe a 'vigilant attitude' toward one's own biases or toward societal changes. For example, an author might argue for '경계' against the loss of traditional values. You should be able to distinguish between '경계' and more specific terms like '파수' (sentinel/watch) or '단속' (crackdown) with precision. At this level, you might also explore the 'boundary' meaning in deep psychological or sociological contexts (e.g., 'the boundary between the self and the other') and see how the two meanings sometimes overlap in literary metaphors—where a boundary is something that must be constantly 'guarded' (경계). Your usage should reflect a deep understanding of the word's gravity and its role in maintaining order and safety.

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At the C2 level, you possess a native-like grasp of '경계' in all its forms. You can appreciate its use in classical literature, historical documents, and complex legal or political discourse. You understand the subtle connotations of different Hanja roots and how they influence the word's weight. You can use '경계' in creative writing to evoke a sense of tension, suspense, or duty. You might analyze how the concept of '경계' has evolved in Korean history, from the defense of ancient fortress walls to the modern digital 'cyber 경계'. You are capable of using the word in high-stakes environments, such as official military briefings or high-level corporate strategy meetings, where the distinction between '경계' (vigilance), '감시' (surveillance), and '방어' (defense) is crucial. You can also handle the most complex puns or double-entendres involving the 'boundary' and 'vigilance' meanings of the word.

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練習する例文メモとヒント

경계 30秒で

경계 means vigilance, watchfulness, or standing guard against threats.
Commonly used in military, news, and social caution contexts.
Pairs with verbs like '하다' (to be wary) and '서다' (to stand guard).
Different from '조심' (general care) as it implies a specific threat or duty.

The Korean word 경계 (警戒) primarily refers to a state of watchfulness, vigilance, or the act of being on guard against potential danger or intruders. While the word can also mean 'boundary' (境界) in other contexts, when used as a noun for 'vigilance,' it carries a heavy sense of alertness and preparedness. For an English speaker, the best way to conceptualize '경계' is to think of a sentry standing watch at a gate or a person being wary of a suspicious stranger. In Korea, this word is deeply embedded in various aspects of life, from military service to public safety announcements and even social psychology.

Military Usage: Soldiers perform '경계 근무' (guard duty) to protect their bases. It implies looking out for any movement or signs of threat.

군인들이 밤새도록 성문을 경계하고 있습니다. (The soldiers are guarding the castle gate all night.)

Beyond the physical act of guarding, '경계' is used to describe a mental state of suspicion or caution. When you meet someone you don't trust, you might have a '경계심' (a heart of vigilance). This feeling is a natural defense mechanism. In modern society, '경계' is also used in the context of disease control, such as during a pandemic, where the government might raise the '경계 단계' (alert level) to ensure the public remains cautious. It is a word that calls for attention, suggesting that the environment is not entirely safe or that one must remain focused to prevent a mistake.

Psychological Context: To 'keep one's guard up' in a conversation is often expressed as '경계심을 늦추지 않다'.

낯선 사람에 대한 경계를 풀지 마세요. (Do not let down your guard against strangers.)

The word is versatile because it covers both the physical location (a guard post) and the abstract feeling (wariness). In historical contexts, '경계' was vital for the survival of villages against wild animals or invading forces. In the modern era, it has transitioned into the digital realm, where 'cyber 경계' refers to being vigilant against hacking or phishing. Understanding this word helps you navigate Korean social dynamics where trust is often built slowly, and maintaining a certain level of '경계' is seen as a sign of prudence and wisdom rather than just paranoia.

Public Safety: Signs in restricted areas often use this word to warn people that the area is under surveillance or is a protected zone.

이곳은 특별 경계 구역입니다. (This is a special high-alert/guarded zone.)

Using '경계' correctly involves understanding its collocation with specific verbs. Most commonly, you will see it paired with '하다' to form the verb '경계하다' (to be vigilant/to guard). However, as a noun, it often functions as the object of actions like '서다' (to stand), '강화하다' (to strengthen), or '늦추다' (to relax/loosen). Each combination changes the nuance of the sentence significantly. For instance, '경계를 서다' is a very specific physical action, usually performed by security personnel or soldiers. In contrast, '경계심을 가지다' refers to the internal feeling of being wary.

Standard Action: Using '경계하다' to describe the act of watching out for something.

산불을 예방하기 위해 숲을 철저히 경계하고 있다. (They are thoroughly watching the forest to prevent forest fires.)

In a more abstract or social sense, you might use '경계' when talking about emotional boundaries or suspicion. If someone is being too inquisitive about your personal life, you might feel the need for '경계'. In Korean business culture, companies often '경계' their competitors, meaning they keep a close watch on their moves and strategies. This isn't necessarily negative; it's seen as a necessary part of strategic management. The word '경계' implies a high level of focus. It is not just looking; it is looking with the intent to detect something specific or to prevent an unwanted occurrence.

Describing Alert Levels: Using '경계' to describe the level of readiness or caution.

정부는 전염병 확산에 따라 경계 수준을 높였다. (The government raised the alert level following the spread of the infectious disease.)

When you want to tell someone to relax, you can say '경계를 늦추다' (to loosen the guard). This is often used in sports, like in soccer when a team is winning and starts to play less intensely, the commentator might warn them not to '경계를 늦추다'. Conversely, '경계를 강화하다' is common in news reports about security at airports or national borders. By mastering these patterns, you can express varying degrees of alertness. Remember that '경계' is a formal and serious word; for everyday 'being careful,' words like '조심' are more common, but '경계' adds a layer of professional or intense vigilance.

Idiomatic Use: The phrase '경계 대상 1호' refers to the 'number one person/thing to watch out for'.

그 선수는 상대 팀에게 경계 대상 1호이다. (That player is the number one target to watch out for for the opposing team.)

In South Korea, '경계' is a word you will encounter frequently if you consume any form of media. Because of the unique geopolitical situation of the Korean Peninsula, military-related '경계' is a staple of nightly news. You will hear about soldiers on the DMZ (Demilitarized Zone) performing '철통 같은 경계' (iron-tight vigilance). This context makes the word feel very strong and serious to native speakers. Even for civilians, the mandatory military service for men means that almost every adult male has spent significant time literally 'standing 경계' in the middle of the night, which gives the word a shared cultural weight.

News & Media: Reporting on security, disasters, or economic threats often uses this term.

경찰은 연말연시를 맞아 범죄 경계를 강화했습니다. (The police have strengthened crime vigilance for the year-end and New Year season.)

Another common place to hear '경계' is in financial news. When the stock market is volatile or there is an economic crisis, experts talk about '경계 심리' (vigilant sentiment). This refers to investors being hesitant to buy or sell because they are watching for the next big change. Similarly, in the workplace, a manager might tell their team to '경계' against complacency or repeated mistakes. It's a call to return to a state of high performance and focus. If you are watching a Korean thriller or detective drama, characters will often use '경계' to describe their suspicion of a culprit or a hidden trap.

Public Announcements: During natural disasters like typhoons or heavy snow, the KMA (Korea Meteorological Administration) issues '경계' warnings.

태풍 북상에 따라 전국에 경계령이 내려졌습니다. (An alert has been issued across the country as the typhoon moves north.)

Finally, in sports, '경계' is used to describe the respect and caution one team has for another's star player. If a player is particularly dangerous, the defense will '경계' them closely. You might hear a sports commentator say, '저 선수는 정말 경계해야 합니다' (You really have to watch out for that player). This usage highlights how '경계' isn't just about fear; it's about acknowledging a threat and reacting appropriately. Whether it's a soldier, an investor, a detective, or a soccer player, '경계' is the word for that active, focused state of readiness that prevents failure and ensures safety.

Daily Life: Even in parenting, a mother might tell a child to '경계' strangers (낯선 사람을 경계하다).

아이들에게 모르는 사람을 경계하라고 가르쳤어요. (I taught the children to be wary of strangers.)

The most common mistake learners make with '경계' is confusing its two primary Hanja meanings: 警戒 (vigilance) and 境界 (boundary/border). While they are pronounced and written exactly the same in Hangeul, their usage contexts are distinct. If you are talking about the border between two countries, you are using the 'boundary' meaning. If you are talking about a soldier guarding that border, you are using the 'vigilance' meaning. Beginners often use '경계' when they simply mean 'be careful' (조심하세요) in a casual setting, which can sound overly dramatic or military-like.

Mistake 1: Over-formality: Using '경계' for minor physical hazards instead of '조심'.

❌ 바닥이 미끄러우니 경계하세요. (Too formal/weird)
✅ 바닥이 미끄러우니 조심하세요. (The floor is slippery, so be careful.)

Another mistake is with the particle usage. People sometimes forget that '경계하다' is a transitive verb that takes the object particle '을/를'. For example, to say 'be wary of strangers,' it should be '낯선 사람을 경계하다'. Some learners might try to use '에 대해' (about) which is grammatically possible but often less natural than the direct object. Also, learners frequently confuse '경계' with '주의' (attention/caution). While similar, '주의' is about focusing your mind on something to avoid a mistake, whereas '경계' is about watching out for an external threat.

Mistake 2: Confusing with '감시': '감시' (surveillance) is often more aggressive or controlling than '경계'.

CCTV는 범죄를 경계하는 것이 아니라 감시하는 것입니다. (CCTV is for surveillance, not just vigilance.)

Finally, when using the 'boundary' meaning, learners sometimes fail to specify the nature of the boundary. In academic or psychological contexts, '경계' (boundary) is used to talk about the limits between self and others. However, if the context is 'vigilance,' using it without a clear threat can make the speaker sound paranoid. For example, '나는 모든 사람을 경계해' (I am wary of everyone) sounds like a deep psychological issue. Make sure you use the word when there is a logical reason for high alertness, such as being in a dangerous neighborhood or dealing with a known competitor.

Mistake 3: Misusing '경계령': Thinking '경계령' (alert/warning) is used for small things like a late bus.

❌ 버스가 늦어서 경계령을 내렸어요. (Incorrect)
✅ 태풍 때문에 경계령이 내려졌어요. (An alert was issued because of the typhoon.)

To truly master '경계', you must see how it fits into the family of Korean words related to caution and observation. The most common alternative is '조심' (caution). '조심' is the go-to word for daily life—be careful with the knife, be careful when crossing the street. It is internal and personal. '주의' (attention) is more about intellectual focus. You '주의' the instructions on an exam or '주의' a sign that says 'Wet Floor'. It is about paying attention to avoid a mistake or accident. '경계' stands apart by being more defensive and structural.

경계 vs. 조심: '경계' is professional vigilance against threats; '조심' is personal care to avoid accidents.

도둑을 경계하다 vs. 감기에 안 걸리게 조심하다. (Watch out for thieves vs. Be careful not to catch a cold.)

Another similar word is '감시' (surveillance/monitoring). While '경계' is often defensive (protecting something), '감시' can be neutral or even negative (watching someone to control them). A guard '경계's a building to keep it safe, but a prison guard '감시's the prisoners to make sure they don't escape. There is also '방비' (defense/provision), which is more about the physical preparations made to prevent a disaster, like building a levee. '경계' is the act of watching, while '방비' is the act of preparing the environment.

Word Comparison Table

경계 (警戒): Vigilance against external threats/danger.
주의 (注意): Paying attention to details or warnings.
조심 (操心): General care and caution in daily actions.
감시 (監視): Keeping a close eye on someone/something (surveillance).
단속 (團束): Crackdown or supervision (e.g., traffic crackdown).

음주 운전 단속 중입니다. (A crackdown on drunk driving is in progress.)

In some cases, '예방' (prevention) is a good alternative if the focus is on stopping something before it happens. However, '경계' captures the tension of the moment. If you are standing at a guard post, you aren't just 'preventing' (예방); you are 'watching' (경계). For English speakers, choosing between these words depends on whether you are being careful (조심), paying attention (주의), or being watchful for danger (경계). Learning these nuances will make your Korean sound much more natural and precise in different social and professional settings.

Formal Contexts: In reports, '경계' is preferred over '조심' to maintain a professional tone.

How Formal Is It?

豆知識

The character 警 is the same one used in 'Gyeong-chal' (Police) and 'Gyeong-go' (Warning), highlighting the theme of protection and alerting.

発音ガイド

UK ɡjʌŋ.ɡje

US ɡjʌŋ.ɡje

The stress is balanced on both syllables, though the first syllable '경' carries a slightly higher pitch in standard Seoul dialect.

韻が合う語

세계 (se-gye) - World 시계 (si-gye) - Clock 통계 (tong-gye) - Statistics 관계 (gwan-gye) - Relationship 한계 (han-gye) - Limit 단계 (dan-gye) - Stage 회계 (hoe-gye) - Accounting 중계 (jung-gye) - Relay/Broadcast

よくある間違い

Pronouncing '경' as 'kyung' with a heavy 'u' sound instead of 'eo' (ʌ).
Making the 'g' in 'gye' too hard like a 'k'.
Failing to pronounce the 'y' in 'gye', making it sound like 'ge'.
Confusing '경계' with '경제' (economy).
Pronouncing the final 'e' as 'ee' instead of 'eh'.

難易度

読解 2/5

Easy to read but requires context to distinguish from the 'boundary' meaning.

ライティング 3/5

Requires knowledge of specific verb collocations like '서다' or '늦추다'.

スピーキング 2/5

Pronunciation is straightforward, but usage can feel too formal if used incorrectly.

リスニング 3/5

Common in news and dramas; must be distinguished from similar sounding words.

次に学ぶべきこと

前提知識

조심 주의 보다 지키다 위험

次に学ぶ

감시 방어 단속 예방 기강

上級

파수 적대시 유비무환 경계성 철통보안

知っておくべき文法

Noun + 을/를 경계하다

도둑을 경계하다.

Noun + 에 대한 경계심

변화에 대한 경계심.

Noun + 에서 경계를 서다

초소에서 경계를 서다.

Adverb + 경계하다

철저히 경계하다.

Passive: 경계령이 내려지다

폭풍 경계령이 내려졌다.

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レベル別の例文

군인이 성문을 경계해요.

The soldier guards the castle gate.

Noun '경계' + object particle '를' (implied) + verb '해요'.

도둑을 경계하세요.

Watch out for thieves.

Imperative form '하세요'.

경계를 서고 있어요.

I am standing guard.

Present progressive '-고 있어요'.

강아지가 집을 경계해요.

The dog is guarding the house.

Subject '강아지가' + object '집을' + verb '경계해요'.

나쁜 사람을 경계해요.

Be wary of bad people.

Simple present tense.

여기는 경계 구역이에요.

This is a guarded area.

Noun '경계' + noun '구역' (area).

밤에도 경계가 필요해요.

Vigilance is needed even at night.

Subject '경계가' + adjective '필요해요'.

친구와 함께 경계해요.

Watch out together with a friend.

Particle '와 함께' (together with).

낯선 사람에 대한 경계심을 가져야 해요.

You should have a sense of wariness toward strangers.

Noun '경계심' (feeling of vigilance).

산불 경계령이 내려졌습니다.

A forest fire alert has been issued.

Passive expression '내려지다' (to be issued).

경찰이 마을을 철저히 경계하고 있습니다.

The police are thoroughly guarding the village.

Adverb '철저히' (thoroughly).

위험한 동물을 경계해야 합니다.

You must be wary of dangerous animals.

Auxiliary verb '-해야 합니다' (must).

그는 경계의 눈빛으로 나를 보았다.

He looked at me with a wary look.

Genitive particle '의'.

사고를 막기 위해 경계를 늦추지 마세요.

Do not let your guard down to prevent accidents.

Negative imperative '-지 마세요'.

이곳은 군사 경계 지역입니다.

This is a military guarded zone.

Compound noun '군사 경계 지역'.

모두가 경계 태세를 유지하고 있어요.

Everyone is maintaining a state of alert.

Noun '경계 태세' (alert status).

전염병이 퍼지자 정부는 경계 수준을 격상했다.

As the epidemic spread, the government raised the alert level.

Verb '격상하다' (to upgrade/raise).

상대 팀의 공격수를 특별히 경계해야 한다.

We must particularly watch out for the opponent's striker.

Adverb '특별히' (specially).

그는 낯선 환경에 대해 강한 경계심을 드러냈다.

He showed strong wariness toward the unfamiliar environment.

Verb '드러내다' (to reveal/show).

보안 요원이 출입구를 엄격히 경계하고 있다.

Security personnel are strictly guarding the entrance.

Adverb '엄격히' (strictly).

경계를 게을리하면 큰 사고가 날 수 있다.

If you neglect vigilance, a big accident can happen.

Conditional '-면' (if).

투자자들은 시장의 변화에 경계의 목소리를 높였다.

Investors raised their voices of caution regarding market changes.

Expression '목소리를 높이다' (to raise one's voice).

그 영화는 인간의 내면적 경계를 다루고 있다.

The movie deals with human internal boundaries/vigilance.

Note: Here '경계' could mean both boundary and wariness.

명절 기간에는 빈집 털이를 경계해야 합니다.

During the holidays, you must watch out for house robberies.

Topic marker '에는' for time.

북한의 도발 가능성에 대비해 경계 태세를 강화했다.

In preparation for potential North Korean provocations, the alert status was strengthened.

Phrase '대비해' (in preparation for).

경제 위기 상황에서는 불필요한 지출을 경계해야 한다.

In an economic crisis, one must be wary of unnecessary spending.

Metaphorical use of '경계' (to guard against/avoid).

그 정치인은 반대파의 움직임을 예의 주시하며 경계했다.

The politician was wary, keeping a close eye on the opposition's moves.

Expression '예의 주시하며' (watching closely).

해킹 위협이 증가함에 따라 사이버 경계가 중요해졌다.

As hacking threats increase, cyber vigilance has become important.

Nominalizer '-함에 따라' (as ... increases).

신기술의 등장은 기존 기업들에게 경계의 대상이 된다.

The emergence of new technology becomes a target of vigilance for existing companies.

Phrase '경계의 대상' (target of vigilance).

그는 자신의 사생활이 침해되는 것을 극도로 경계한다.

He is extremely wary of his private life being invaded.

Adverb '극도로' (extremely).

폭풍전야처럼 묘한 경계심이 감돌고 있었다.

A strange sense of vigilance was hanging in the air like the calm before a storm.

Simile '폭풍전야처럼' (like the eve of a storm).

공항 검색대는 테러 방지를 위해 경계의 끈을 놓지 않는다.

Airport security checkpoints do not let go of the string of vigilance to prevent terrorism.

Idiom '경계의 끈을 놓지 않다' (not to let down one's guard).

권력의 독주를 경계하기 위해 견제와 균형이 필요하다.

Checks and balances are necessary to guard against the monopoly of power.

Political terminology '견제와 균형' (checks and balances).

지식인은 사회적 편견에 대해 끊임없이 스스로를 경계해야 한다.

Intellectuals must constantly guard themselves against social prejudices.

Adverb '끊임없이' (constantly).

역사적 교훈을 잊는 순간, 비극의 재발을 경계할 수 없게 된다.

The moment you forget historical lessons, you become unable to guard against the recurrence of tragedy.

Clause '-는 순간' (the moment ...).

그 작가는 언어의 오용이 사고의 경직을 초래함을 경계했다.

The author warned that the misuse of language leads to the rigidity of thought.

Noun clause '-함을' (that ...).

인공지능의 급격한 발전이 가져올 윤리적 공백을 경계해야 한다.

We must guard against the ethical vacuum that the rapid development of AI will bring.

Future relative clause '-이 가져올'.

자국 우선주의의 확산은 국제 협력의 퇴보를 경계하게 만든다.

The spread of nationalism makes us wary of the regression of international cooperation.

Causative '-하게 만든다'.

전문가들은 가상 화폐 시장의 거품 붕괴를 강력히 경계하고 있다.

Experts are strongly warning/guarding against the collapse of the cryptocurrency bubble.

Adverb '강력히' (strongly).

그는 예술이 상업주의에 물드는 것을 철저히 경계하는 작가이다.

He is an artist who thoroughly guards against art being tainted by commercialism.

Relative clause '-는 작가이다'.

역사의 수레바퀴가 거꾸로 도는 것을 경계하는 혜안이 절실하다.

An insight that guards against the wheels of history turning backward is desperately needed.

Metaphor '역사의 수레바퀴' (wheels of history).

군신 간의 경계가 무너지면 나라의 기강이 바로 설 수 없다.

If the vigilance/boundaries between the king and subjects collapse, national discipline cannot stand.

Hanja-based formal term '기강' (discipline).

인간 소외를 초래하는 기술 만능주의에 대한 경계의 목소리가 높다.

There are loud voices of caution against technological omnipotence that causes human alienation.

Complex noun phrase '기술 만능주의'.

절대 권력은 부패하기 마련이므로 시민의 끊임없는 경계가 요구된다.

Since absolute power is bound to corrupt, constant vigilance from citizens is required.

Grammar '-하기 마련이다' (bound to ...).

문명사적 전환기일수록 구태의연한 사고방식을 경계해야 한다.

The more we are in a transitional period of civilization, the more we must guard against obsolete ways of thinking.

Particle '-일수록' (the more ...).

자아의 팽창이 타자와의 공존을 방해하는 것을 경계해야 한다.

We must guard against the expansion of the ego hindering coexistence with others.

Philosophical concept '타자' (the Other).

그의 문체는 수식어의 남발을 경계하여 극도로 절제되어 있다.

His writing style is extremely restrained, guarding against the overuse of modifiers.

Conjunctive '-하여' (and so/by doing).

국가 간의 보이지 않는 정보전은 한시도 경계를 늦출 수 없는 긴장의 연속이다.

The invisible information war between nations is a continuation of tension where one cannot let down their guard for even a moment.

Expression '한시도 ... 수 없다' (cannot ... for even a moment).

よく使う組み合わせ

경계를 서다

경계를 늦추다

경계를 강화하다

경계 태세

경계심을 가지다

경계 대상

철저한 경계

경계령이 내려지다

경계의 눈빛

사이버 경계

よく使うフレーズ

경계 근무

— Guard duty. Specifically refers to the shift spent watching a post.

오늘 밤 제 경계 근무 시간은 새벽 2시입니다.

경계 수준

— Alert level. Used by governments for disasters or security.

감염병 경계 수준이 '심각' 단계로 올라갔다.

경계 구역

— Guarded zone or restricted area. A place under surveillance.

경계 구역 안으로 함부로 들어오면 안 됩니다.

경계심을 풀다

— To let one's guard down or stop being suspicious.

그는 따뜻한 말 한마디에 경계심을 풀었다.

경계 대상 1호

— Number one person or thing to watch out for.

이번 경기에서 그는 상대 팀의 경계 대상 1호다.

경계의 끈

— The 'string' of vigilance. Often used with '놓지 않다' (not to let go).

우리는 마지막까지 경계의 끈을 놓지 않았다.

특별 경계

— Special alert or extra vigilance.

연말에는 범죄 예방을 위해 특별 경계를 실시한다.

경계 태세를 갖추다

— To assume a posture of alertness.

부대는 적의 공격에 대비해 경계 태세를 갖추었다.

경계 구멍

— A gap in vigilance. A security failure.

보안 시스템에 경계 구멍이 뚫렸다.

경계망

— A surveillance or security network.

경찰은 도주로에 경계망을 펼쳤다.

よく混同される語

경계 vs 경제 (Economy)

Sounds similar but means economy. Don't mix up 'vigilance' and 'money'.

경계 vs 경계 (Boundary)

Same spelling, different Hanja. Context determines if it's a border or alertness.

경계 vs 관계 (Relationship)

Ends in 'gye', but means relationship. Listen for the 'Gwan' vs 'Gyeong'.

慣用句と表現

"경계의 끈을 늦추지 않다"

— To remain constantly vigilant without relaxing for a moment.

성공한 후에도 그는 경계의 끈을 늦추지 않았다.

Neutral/Formal

"철통 같은 경계"

— Iron-tight vigilance; an impenetrable defense.

대통령의 방문을 앞두고 철통 같은 경계가 펼쳐졌다.

Formal/News

"경계 대상 1순위"

— The very first priority to watch out for.

물가 상승이 현재 경제의 경계 대상 1순위다.

Neutral/Business

"경계의 눈초리"

— Wary or suspicious eyes/glances.

마을 사람들은 낯선 이방인에게 경계의 눈초리를 보냈다.

Literary

"경계심이 강하다"

— To be very suspicious or wary of others by nature.

그녀는 경계심이 강해서 친구를 사귀는 데 오래 걸린다.

Neutral

"경계령을 내리다"

— To issue a formal alert or warning.

시장 변동성이 커지자 투자 경계령을 내렸다.

Formal/Official

"경계를 허물다"

— To break down the guard or boundaries (often used for the 'boundary' meaning but applies to social vigilance too).

대화를 통해 서로에 대한 경계를 허물었다.

Neutral

"물 샐 틈 없는 경계"

— Vigilance so tight not even water could leak through.

경찰은 물 샐 틈 없는 경계로 범인을 잡았다.

Formal/News

"경계 태세에 돌입하다"

— To enter a state of high alert.

기상청의 예보에 따라 비상 경계 태세에 돌입했다.

Formal/Official

"경계심을 자극하다"

— To trigger someone's suspicion or wariness.

그의 수상한 행동이 나의 경계심을 자극했다.

Neutral

間違えやすい

경계 vs 주의 (Attention)

Both imply being careful.

주의 is about focus to avoid mistakes; 경계 is about watching for threats.

시험 볼 때는 주의하세요. (Pay attention during the exam.)

경계 vs 감시 (Surveillance)

Both involve watching.

감시 is often proactive/controlling; 경계 is defensive/protective.

CCTV가 우리를 감시해요. (CCTV is monitoring us.)

경계 vs 조심 (Caution)

The most common word for care.

조심 is personal and casual; 경계 is professional and intense.

차 조심하세요. (Watch out for cars.)

경계 vs 단속 (Crackdown)

Both relate to policing.

단속 is the act of enforcing rules; 경계 is the act of watching for violations.

경찰이 불법 주차를 단속해요. (Police are cracking down on illegal parking.)

경계 vs 방비 (Defense)

Both are about safety.

방비 is about physical preparation; 경계 is about active observation.

성벽을 쌓아 외적의 침입에 방비했다. (Built walls to prepare defenses against invaders.)

文型パターン

N을/를 경계해요.

도둑을 경계해요.

N에 대해 경계심을 가져요.

낯선 사람에 대해 경계심을 가져요.

N을/를 위해 경계를 강화해요.

안전을 위해 경계를 강화해요.

경계의 끈을 늦추지 않아요.

끝까지 경계의 끈을 늦추지 않아요.

N은 경계의 대상이 돼요.

그 기술은 경계의 대상이 돼요.

N을/를 경계하는 혜안이 필요해요.

독재를 경계하는 혜안이 필요해요.

General

경계령이 내려졌어요.

호우 경계령이 내려졌어요.

General

경계를 서고 있어요.

군인이 경계를 서고 있어요.

語族

名詞

경계심 (警戒心) - Wariness/suspicion

경계령 (警戒令) - Alert/warning order

경계근무 (警戒勤務) - Guard duty

경계구역 (警戒區域) - Guarded zone

경계태세 (警戒態勢) - Alert status

動詞

경계하다 (警戒--) - To be vigilant/to guard

경계시키다 (警戒---) - To make someone vigilant

形容詞

경계적이다 (警戒的--) - Being vigilant (less common)

경계심이 많다 - To be very wary

使い方

frequency

High in news, military, and formal reports; Moderate in daily life.

よくある間違い

Using '경계' for 'be careful' in casual contexts. → 조심하세요.
'경계' is too heavy and formal for daily small cautions.
Saying '경계를 해요' when you mean 'stand guard'. → 경계를 서요.
'서다' (to stand) is the specific collocation for guard duty.
Confusing '경계' (vigilance) with '경제' (economy). → 경계 / 경제
They sound similar to beginners but have completely different meanings.
Using '경계' as an adjective without '하다'. → 경계하는 태도.
'경계' is a noun; you need '하다' to describe an action.
Mixing up '경계' (boundary) and '경계' (vigilance). → Context-based usage.
Ensure the verb matches the intended meaning (e.g., '넘다' vs '서다').

ヒント

Use for Defense

Think of '경계' as your shield. Use it when you are protecting something or someone.

Verb Pairs

Memorize '경계를 서다' (stand guard) and '경계를 늦추다' (relax guard) as fixed blocks.

Hanja Clue

The 'Gyeong' (警) means 'warn'. If the situation involves a warning, '경계' might be the word.

Tone Matters

Use a firm, serious tone when saying '경계 중입니다' to sound authentic.

News Keywords

When you hear '북한' (North Korea) or '태풍' (Typhoon), listen for '경계' right after.

Military Service

Mentioning '경계 근무' is a great way to start a conversation with Korean men about their army days.

Abstract Use

In essays, use '경계' to talk about guarding against bad habits or social decay.

Vs. Attention

Remember: '주의' is for the mind, '경계' is for the eyes and the gate.

Trust Building

Use '경계심을 풀다' to describe how you became friends with someone.

Alert Levels

If you see '경계' in red on a Korean website, it's a high-level alert. Pay attention!

暗記しよう

記憶術

Think of a 'KING' (경/Gyeong) standing at the 'GATE' (계/Gye). He is '경계' (guarding) his castle.

視覚的連想

Imagine a soldier standing at a border fence with binoculars, focused on the horizon.

Word Web

Vigilance Guard Duty Suspicion Alert Level Sentry Security Watchfulness Caution

チャレンジ

Try to use '경계' in a sentence about your computer's antivirus software or a game where you have to sneak past guards.

語源

Derived from the Hanja 警戒. The first character 警 (gyeong) means 'to warn' or 'to alert'. The second character 戒 (gye) means 'to caution' or 'to forbid'.

元の意味： To warn and caution against potential threats or mistakes.

Sino-Korean (Hanja)

文化的な背景

Be careful not to sound overly suspicious of people. Saying you '경계' a specific person can sound like you consider them a criminal.

In English, 'vigilance' sounds very formal. 'On guard' or 'watch out' are more common. '경계' bridges the gap between 'watch out' and 'official alert'.

The DMZ (Demilitarized Zone) is the most famous site of '경계' in Korea. Historical dramas like 'Kingdom' show guards performing '경계' against zombies. The term '경계성 인격 장애' (Borderline Personality Disorder) is frequently discussed in modern Korean psychology.

実生活で練習する

実際の使用場面

Military

경계 근무 중
경계 태세 강화
초소 경계
적을 경계하다

Public Safety

산불 경계
태풍 경계령
범죄 경계
경계 구역 설정

Social/Psychological

경계심을 풀다
사람을 경계하다
경계의 눈빛
마음의 경계

Business/Economics

경쟁사 경계
시장 경계 심리
투자 경계
경계 대상 1호

Sports

상대 선수 경계
경계를 늦추지 않다
수비 경계
집중 경계

会話のきっかけ

"요즘 보안 경계가 왜 이렇게 심해졌을까요?"

"낯선 사람을 처음 만날 때 경계심을 많이 갖는 편인가요?"

"군대에서 경계 근무 섰을 때의 에피소드가 있나요?"

"태풍 경계령이 내렸는데 준비는 잘 하셨어요?"

"그 선수가 왜 우리 팀의 경계 대상 1호인지 아세요?"

日記のテーマ

내가 누군가에게 경계심을 느꼈던 순간에 대해 써보세요.

우리 사회에서 가장 경계해야 할 위험은 무엇이라고 생각하나요?

경계(vigilance)와 신뢰(trust) 사이의 균형을 어떻게 맞출 수 있을까요?

군인들이 밤새 경계를 서는 모습을 상상하며 그들의 마음을 적어보세요.

디지털 시대에 우리가 가장 경계해야 할 것은 무엇일까요?

よくある質問

10 問

No, while it's common in the military, it can also mean being wary of a scammer, watching for a star player in sports, or a government alert for a typhoon.

'경계' is the act or state of vigilance, while '경계심' is the internal feeling or 'heart' of being wary.

No, that would sound very strange. Use '조심' for that. '경계' is for threats, not hot drinks.

Look at the verbs. '경계를 넘다' (cross a boundary) vs '경계를 서다' (stand guard). Context is key.

Yes, especially in news, books, and formal situations. It's less common in very casual talk between friends.

It is an official alert or warning order, like a 'Heavy Rain Alert' (호우 경계령).

Yes, a dog guarding its territory or a bird watching for a hawk can be described using '경계하다'.

Not necessarily. It is a protective measure. However, 'over-경계' can imply paranoia.

It refers to cybersecurity vigilance against hackers and digital threats.

You can say '경계를 늦추지 마세요' (Gyeong-gye-reul neut-chu-ji ma-se-yo).

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