안 되니까

because it can't / mustn't

→ 안

phrase Rare #15,642

because it can't / mustn't A combination of 안 되다 (“not work,” “not be allowed,” or “must not”) and -니까 (“because” or “since”). The exact meaning depends on context.

KO: 시간이 없으니까 지금 출발하면 안 되니까 서두르세요.

EN: We mustn't be late, so hurry up.

두면 안 되니까 태워

Burn it—you can't leave it lying around.

— 인생 (1994)

방해 안 되니까 안 그래 이사벨라?

You don't mind, do you, Isabella?

— "폭풍의 언덕" (2026)

여자를 기다리게 하면 안 되니까 내가 갔지

I went because you shouldn’t keep a woman waiting.

— 히든 (2005)

남편 눈에 띄면 안 되니까 네

I can't let my husband notice me, you know.

— 헤어질 결심 (2022)