구분 못 해

can't tell apart

→ 구분
phrase Rare #24,803
can't tell apart Used when someone is unable to distinguish between two or more things.
KO: 이 두 색은 구분 못 해.
EN: I can't tell these two colors apart.

부처하고 예수를 구분 못 해, 인마?

You can't tell Buddha from Jesus, you idiot?

— Miracle in Cell No. 7 (2013)

우릴 구분 못 해.

They can't tell us apart.

— 햄넷 (2025)