을 잘

… well

→ 을
phrase Very common #1,493
… well 을 marks the preceding noun as the object, and 잘 means “well.” The full meaning depends on the verb; in some expressions, 잘 can also suggest that something was fortunate or successful.
KO: 나는 톰을 잘 안다.
EN: I know Tom well.

그래도 첫 랩을 잘 통과했습니다

Still, I made it through the first lap successfully.

— F1 더 무비 (2025)