하잖니

have to, must

→ 하다
하 do; be + 잖 Reminder / shared knowledge + 니 Informal interrogative
auxiliary · informal Rare #21,065
have to, must Used in familiar speech to present an obligation as something the listener already knows or should recognize.
KO: 너도 일찍 가야 하잖니.
EN: You have to leave early too, don't you?
Conjugation of 하다

무슨 일 인지 내 게도 말해줘야 하잖니?

You should tell me what's going on too, shouldn't you?

— 대부 (1972)

너 일해야 하잖니

You have to work, don't you?

— 토니 에드만 (2016)

난 너를 돌봐야 하잖니

I have to take care of you, you know.

— 눈 깜짝할 사이에 (2026)