How to say I don't know in Korean

모르겠어요

moreugesseoyo

I don't know

polite

When to use it

The standard polite way to say you don't know something. Drop to 몰라요 (mollayo) in casual speech with close friends.

In a sentence

  • 죄송해요, 잘 모르겠어요.

    joesonghaeyo, jal moreugesseoyo.

    Sorry, I really don't know.

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