거짓말이죠

it's a lie, right?

→ 거짓말
phrase Rare #19,334
it's a lie, right? 거짓말 means “lie,” and 이죠 is a conversational form of “it is,” often seeking agreement or emphasizing that something is obviously a lie.
KO: 그 사람이 모두 기억한다고요? 거짓말이죠.
EN: That person says they remember everything? That's a lie, right?

거짓말 이죠?

It's all a lie, right?

— 엘리펀트 (2003)

당연히 거짓말 이죠,

Of course it’s a lie.

— 인디아나 존스: 최후의 성전 (1989)

한 번도 실수한 적이 없다면 그건 거짓말 이죠

If you’ve never made a mistake, you’re lying.

— 더 레킹 크루 (2026)

거짓말 이죠?

Are you lying?

— 캐치 미 이프 유 캔 (2002)