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하셔야

should do, have to do

→ 하다
verb · formal Rare #20,706
should do, have to do Honorific form; used to show respect for the person who does the action. Usually followed by a phrase such as 해요 or 돼요.
KO: 지금 하셔야 해요.
EN: You have to do it now.
Conjugation of 하다

정확히 하셔야 해요

You need to be precise.

— 학이 난다 (1957)

부모님이 하셔야 해

Your parents have to do it.

— 서부 전선 이상 없다 (2022)