잘 안 돼요

doesn’t go well

→ 잘
phrase Uncommon #12,760
doesn’t go well Used when something isn’t working, succeeding, or happening as expected; it can also describe having difficulty doing or understanding something.
KO: 오늘은 일이 잘 안 돼요.
EN: Things aren’t going well at work today.

집중하고 있는데 잘 안 돼요

I’m trying to focus, but I can’t.

— 스파이더맨: 뉴 유니버스 (2018)

뭐가 잘 안 돼요?

What’s not working?

— Virgin Stripped Bare by Her Bachelors (2000)