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No.276

Korean expression

큰일 났다

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What does 큰일 났다 mean?

큰일 났다 means "a serious problem has arisen" in Korean.

How it works here

큰일 났다 is used alone as an anxious exclamation about a serious situation.

Key expression

큰일(이) 나다

To have a serious and difficult problem

큰일 났다 is conversational and often used as an exclamation. It expresses much more urgency than “There’s a problem.”

When it's used

Used when an unexpected, serious problem has arisen and the speaker is flustered.

The line

큰일 났다

This is bad.

The speaker realizes after checking urgently that the situation is more serious than expected.

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More examples

  1. 시험 시간이 10분밖에 안 남았는데 답안지를 아직 한 장도 못 썼어. 큰일 났다.

    There are only ten minutes left in the exam, and I haven’t written even one page. This is bad.

  2. 비밀번호를 여러 번 틀려서 계정이 잠겼어요. 이거 큰일 났네요.

    I entered the password incorrectly several times, so my account is locked. This is really bad.

Quick check

When would you use this expression?

큰일 났다

큰일 났다

This is bad.

  • Laughing and saying a small mistake is no big deal.
  • Realizing an important item is lost and saying it in a panic.
  • Casually organizing the appointment time.
Show the answer

Realizing an important item is lost and saying it in a panic.

to have a serious and difficult problem. 큰일 났다 is conversational and often used as an exclamation. It expresses much more urgency than “There’s a problem.”

Other words in this line

큰일
A serious problem
나다
To happen; to arise

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