입이

mouth

→ 입
phrase Rare #15,889
mouth 입이 is 입 (mouth) plus the subject particle 이. Its meaning can vary in expressions such as “a mouth to feed,” “one’s jaw dropping,” or “being unable to get words out.”
KO: 그 사람은 입이 무거워요.
EN: That person is tight-lipped.

좋아요, 입이 어딨죠?

Okay, where is your mouth?

— 어바웃 타임 (2013)

키드풀 이야 입이 제일 더러워

Kid has the foulest mouth.

— 데드풀과 울버린 (2024)

입이 안 떨어져

I can't get the words out.

— 오펜하이머 (2023)