안 했고

didn't do … and

→ 안

phrase Rare #27,658

didn't do … and 안 negates 했고 (“did and”); -고 links it to what follows, often meaning “and.” In casual conversation, the following clause may be left unstated.

KO: 아직 숙제 안 했고, 지금 시작할 거야.

EN: I haven't done my homework yet, and I'm going to start now.

그땐 헤로인 도 안 했고

I wasn't doing heroin back then, either.

— 페인 앤 글로리 (2019)

계약 안 했고 돈 없어

I didn’t sign a contract, and I don’t have any money.

— Dream (2023)

결혼 아직 안 했고?

You haven't gotten married yet, right?

— 음식남녀 (1994)

근데 안 했고!

But I didn't do it!

— 시카고 (2002)