거 몰라

don't know (that)

→ 것
phrase Common #4,396
don't know (that) Often used in rhetorical questions meaning “don't you know…?” Here, 거 refers to a fact or situation.
KO: 너 내가 여기 사는 거 몰라?
EN: Don't you know I live here?

나 넥타이 매고 태어난 거 몰라?

Don't you know I was born wearing a tie?

— 타인의 삶 (2006)

토토로 엄청 큰 거 몰라?

You know how huge Totoro is, right?

— 아무도 모른다 (2004)

저 자식 멍청한 거 몰라?

Doesn't that kid know he's stupid?

— 무간도 (2002)