입이 짧아요 · 입이 짧았어요
to be a picky eater, to eat very little
Example
우리 아들은 입이 짧아서 밥을 조금만 먹어요.
My son is a picky eater, so he only eats a little.
Word parts
Literally 'a short mouth'; it's about eating, not talking.
Good to know
Pronounced [이비 짤따]: in 짧다 the ㄼ sounds like ㄹ.