뭐 한 거야

what did you do

→ 뭐

phrase Rare #30,327

what did you do The subject is understood from context, so it can also mean “what did we do?” The casual question can express surprise or frustration.

KO: 어제 하루 종일 뭐 한 거야?

EN: What did you do all day yesterday?

온종일 집에서 뭐 한 거 야?

What did you do at home all day?

— 특별한 날 (1977)

아, 우리 그동안 뭐 한 거 야, 진짜?

Seriously, what have we been doing all this time?

— 20th Century Girl (2022)

뭐 한 거 야

What did you do?

— 에브리씽 에브리웨어 올 앳 원스 (2022)

뭐 한 거 야, 머프?

What have you done, Murph?

— 인터스텔라 (2014)