잡을 거야

will catch

→ 잡다
phrase Rare #19,476
will catch A casual way to say that someone will catch, grab, or apprehend someone or something. Depending on context, 잡다 can also mean to get a handle on something.
KO: 이번에는 꼭 범인을 잡을 거야.
EN: This time, I’ll definitely catch the culprit.

놈들은 도 못 잡을 거 야.

Those guys won't have a clue.

— 더 러닝 맨 (2025)

나 혼자 잡을 거 야

I'll catch it myself.

— 택시 (1998)

그렇지 않으면 다신 못 잡을 거 야

Otherwise, I'll never be able to catch you again.

— 패신저 57 (1992)