Yap.Town

인데 왜

but why

→ 이다
phrase Common #4,941
but why Follows a description or situation and introduces a question asking why. Depending on context, it can also mean “why, when …?”
KO: 오늘 쉬는 날인데 왜 일찍 일어났어?
EN: It’s your day off today, so why did you get up early?

아니 성탄절 인데 왜 너희들이 난리 건데?

Seriously, it's Christmas—why are you guys making such a big deal?

— Svaha: The Sixth Finger (2019)

형님 인데 왜 성이 다르죠?

You're my older brother, so why do your last names differ?

— 대부 (1972)