왜 그러는 거야

why are you doing that?

→ 왜
phrase Rare #25,611
why are you doing that? An informal question used to ask why someone is behaving that way or what is wrong. Depending on context, it can sound concerned, annoyed, or bewildered.
KO: 갑자기 왜 그러는 거야?
EN: Why are you suddenly acting like that?

, 아이, 근데 나쁜 놈들 왜 그러는 거 야?

Tsk... Man, but why do those scumbags act like that?

— 택시운전사 (2017)

대체 왜 그러는 거 야?

Why on earth are you doing that?

— 폴링 다운 (1993)

왜 그러는 거 야?

Why are you doing that?

— 더 위치 (2016)