줄여야

must reduce, have to reduce, need to cut down

→ 줄이다
verb Rare #30,125
must reduce, have to reduce, need to cut down The form 줄여야 is used with a following verb or ending to express that something must be done.
KO: 짐을 줄여야 해요.
EN: We have to reduce our luggage.
Conjugation of 줄이다
Necessitative
줄여야

무게를 줄여야 해

I need to lose weight.

— 특전 U보트 (1981)