을 찾아야 돼

have to find

→ 을
phrase Rare #24,223
have to find A casual spoken form meaning “must find” or “need to find.” The object before 을 is what must be found; after a vowel, 는 찾아야 돼 is used instead.
KO: 가져간 놈을 찾아야 돼.
EN: I have to find the guy who took it.

가져간 을 찾아야 돼

We need to find the guy who took it.

— 불릿 트레인 (2022)

넘어갈 수 있는 곳을 찾아야 돼.

We need to find a place to move on.

— 부산행 (2016)

그놈을 찾아야 돼 그러니까 입 닥쳐!

I have to find him, so shut up!

— 폴링 다운 (1993)