네가 무슨

what ... you

→ 너
phrase Uncommon #9,081
what ... you This is an incomplete phrase; 무슨 comes before a noun to ask what kind or what thing, and the rest of the sentence completes the meaning.
KO: 네가 무슨 생각을 하는지 알아.
EN: I know what you're thinking.

네가 무슨 드라마 주인공 이라도 되는 줄 알아?

Do you think you're the main character in a drama or something?

— 세 얼간이 (2009)

네가 무슨 사람을 죽여!

You? Kill someone?!

— Miracle in Cell No. 7 (2013)