마셔야 해

have to drink

→ 마시다
phrase Rare #16,650
have to drink An informal way to say that someone needs or is required to drink something.
KO: 물을 더 마셔야 해.
EN: I have to drink more water.

약을 마셔야 해.

You need to take your medicine.

— 다운폴 (2004)

오스카 나 커피 마셔야 해

Oscar, I need to drink coffee.

— 양철북 (1979)

너는 그만 마셔야 해.

You should stop drinking.