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잘하나

does well?; is good at?

→ 잘하다
잘 well + 하 do; be + 나 Interrogative
verb · informal Rare #20,778
does well?; is good at? The question ending -나 is conversational; before 보다, it can mean “seem to” or “I guess.”
KO: 민수는 수영을 잘하나?
EN: Is Minsu good at swimming?
Conjugation of 잘하다
Interrogative
잘하나

내가 잘하나 보지

Let’s see if I’m any good.

— 20th Century Girl (2022)

진짜 잘하나 보다

You must be really good at it.

— Kill Boksoon (2023)

니 농구 잘하나?

Are you good at basketball?

— Love Untangled (2025)