subject particle 가 followed by 잘 (“well”); together, they indicate that the subject does something well or successfully.
→ 가
phraseCommon#2,478
subject particle 가 followed by 잘 (“well”); together, they indicate that the subject does something well or successfully.가 is the subject particle attached to the preceding noun or pronoun, while 잘 means “well” and modifies the following verb or adjective. This is a fragment rather than a standalone expression.