할 줄 아는

who knows how to do; that someone knows how to do

→ 하다
phrase Rare #19,609
who knows how to do; that someone knows how to do Used before a noun to describe a person or thing associated with an ability. It can also appear at the beginning of a question, as in “할 줄 아는 악기는 뭐예요?” (“What instruments can you play?”).
KO: 할 줄 아는 악기가 뭐예요?
EN: What instruments can you play?

프랑스어 할 줄 아는 사람 여기 있어?

Is there anyone here who speaks French?

정말, 할 줄 아는 거 예요?

Really, you know how to do it?

— 터미네이터 2: 심판의 날 (1991)

프랑스어 할 줄 아는 사람 아세요?

Do you know anyone who speaks French?

거리에서 말고 할 줄 아는 일 있어요?

Do you know how to do anything other than on the street?

— 내 어머니의 모든 것 (1999)