잘못이

fault

→ 잘못
phrase Common #3,940
fault 잘못 means “fault” or “mistake,” and 이 is a subject particle. Often used in phrases meaning “it’s someone’s fault” or “it’s not someone’s fault.”
KO: 그건 네 잘못이 아니야.
EN: That’s not your fault.

잘못이 있다면 선배님 때문에 거짓말한 거 죠

If I did anything wrong, it was because I lied for your sake, senior.

— Kill Boksoon (2023)

대장님 잘못이 아닙니다

It's not your fault, Captain.

— 문라이즈 킹덤 (2012)

키팅 선생님 잘못이 아니잖아요!

It's not Mr. Keating's fault!

— 죽은 시인의 사회 (1989)

그건 그들 잘못이 아니잖아

It’s not their fault.

— 잠입자 (1979)

시토는 잘못이 없습니다

Shito is not at fault.

— 패왕별희 (1993)