줄 알았나

did you think (that)

→ 줄
phrase Uncommon #14,005
did you think (that) Often used rhetorically to challenge someone’s assumption. In this construction, 줄 알다 means “to think” or “to assume.”
KO: 내가 포기할 줄 알았나?
EN: Did you think I would give up?

진짜 죽은 줄 알았나 보네

I guess you really thought I was dead.

— 행복한 라짜로 (2018)

저 한테 오는 줄 알았나 봐요

I guess they thought it was coming to me.

— 싸이코 (1960)

쉽게 이길 줄 알았나?

Did you think you'd win easily?

— 무인 곽원갑 (2006)

설마 이게 빈 총 인 줄 알았나 보지?

You didn't think this was an empty gun, did you?

— 데드맨스 와이어 (2026)

그냥 도망칠 수 있을 줄 알았나?

Did you think you could just run away?

— 발레리나 (2025)