잘해 줄

treat well

→ 잘하다
phrase Uncommon #8,268
treat well Used when doing something well or kindly for someone. The person receiving the action is often understood from context.
KO: 친구에게 잘해 줄 거예요.
EN: I’ll treat my friend well.

나 한테 잘해 줄 필요 없어

You don’t have to be nice to me.

— A Moment to Remember (2004)

그냥 잘해 줄 수도 있는 거 잖아요

You could just be nice to me, couldn't you?

— Pavane (2026)

앞으로 잘해 줄 기회도 없을 테니까

Since I won’t even have a chance to treat you well from now on.

— 잠수종과 나비 (2007)