실수야

it's a mistake

→ 실수

phrase Rare #22,910

it's a mistake Casual form of 실수예요. With 내, 내 실수야 means “it's my mistake” or “my bad.”

KO: 늦은 건 내 실수야.

EN: Being late was my mistake.

이건 실수 야.

This is a mistake.

— 주토피아 2 (2025)

정말 멍청한 실수 야

That was a really stupid mistake.

— 헌팅시즌 (2025)

It's my mistake

— 파이트 클럽 (1999)

그게 바로 내 큰 실수 야

That’s my biggest mistake.

— 달콤한 인생 (1960)