쓰는 법을

how to use

→ 쓰다
phrase Rare #32,030
how to use 쓰다 can mean “use” or “write,” depending on what it refers to. The object marker 을 shows that this phrase is the thing being taught, known, or learned.
KO: 이 앱 쓰는 법을 알려 주세요.
EN: Please show me how to use this app.

그래, 카트리나는 작살 쓰는 법을 알고 있었다.

Yeah, Katrina knew how to use a harpoon.