어떤 건지

what it's like

→ 어떤
phrase Rare #16,727
what it's like A shortened form of 어떤 것인지; used to ask or describe what something is like or what kind of thing it is.
KO: 그 일이 어떤 건지 알아요?
EN: Do you know what that job is like?

어떤 건지 알지?

Do you know what it is?

— 특전 U보트 (1981)

그게 어떤 건지 잘 몰라서 그래

It's because I don't really know what it is.

— 레베카 (1940)