잘 몰라

don't know well

→ 잘

phrase Rare #22,930

don't know well Informal speech. Depending on context, it can also mean “I’m not really sure” or “I don’t know much about it.”

KO: 미안하지만 그 사람은 잘 몰라.

EN: Sorry, I don't know that person well.

I'm not really sure.

— 마루 밑 아리에티 (2010)

You don't know me very well.

— 머시니스트 (2004)

I don't really know.

— 시라트 (2025)

I’m not really sure either.

— 라따뚜이 (2007)