잘못한 거

something done wrong

→ 잘못하다
phrase Uncommon #6,883
something done wrong 거 is a casual form of 것 (“thing”); the phrase can refer to a mistake or wrongdoing.
KO: 난 잘못한 거 없어.
EN: I didn’t do anything wrong.

아휴, 참 내가 잘못한 거 없다고요

Oh, come on, I’m telling you I didn’t do anything wrong.

— 20th Century Girl (2022)

살은 너나 나 한테 잘못한 거 없거든?

Sal didn't do anything wrong to you or me, right?

— 똑바로 살아라 (1989)

전 잘못한 거 없습니다

I didn't do anything wrong.

— RRR: 라이즈 로어 리볼트 (2022)

아, 윤 감독 우리가 뭐 잘못한 거 있나?

Uh, did we do something wrong, Director Yoon?

— Dream (2023)

마르첼로, 혹시 전화 잘못한 거 아니야?

Marcello, did you make the wrong call?

— 달콤한 인생 (1960)

네가 잘못한 거 하나도 없어

You didn’t do anything wrong.

— 부고니아 (2025)

난 잘못한 거 없으니까

Because I didn't do anything wrong.

— 얼지마, 죽지마, 부활할거야 (1990)

니 박세리 한테 뭐 잘못한 거 있제?

You did something wrong to Park Se-ri, didn’t you?

— Love Untangled (2025)