은 잘돼

is going well

→ 은
phrase Rare #26,093
is going well Used after a noun with 은/는 to ask whether something is going well or working out. In conversation, 잘돼? can also be shortened from 잘되고 있어?
KO: 새 직장은 잘돼?
EN: Is your new job going well?

킹핀 사업은 잘돼?

Is the Kingpin business going well?

— 스파이더맨: 뉴 유니버스 (2018)

하지만 자네가 찾았지 사업은 잘돼?

But you found Sam, how's the flower business going?

— 마농의 샘 2부 (1986)

훈련은 잘돼?

Is the training going well?

— 당갈 (2016)