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알아야 돼

have to know

→ 알다
phrase Rare #21,313
have to know A casual way to say that someone needs to know something.
KO: 이건 꼭 알아야 돼.
EN: You really have to know this.

꼭 알아야 돼

You have to know.

— 파이트 클럽 (1999)

그거 알아야 돼

You need to know that.

— The Great Flood (2025)

나를 은인으로 알아야 돼 알아?

You should know that I'm your benefactor, got it?

— 얼굴 (2025)

넌 이걸 알아야 돼

You need to know this.

— 반지의 제왕: 왕의 귀환 (2003)