When to use restriction in Korean
Korean: 제약[ je-yak ]

When to use it
제약 means a restriction or limit. It is used when something is not fully free because of a rule, condition, time, or money. You will often see it in phrases like “there is a restriction” or “has many restrictions” when talking about everyday situations.
Example sentences
우리 집은 밤에 게임 시간 제약이 있어요.
There is a restriction on game time at night in my house.
학교에는 휴대폰 사용 제약이 있어요.
There is a restriction on phone use at school.
이 공원은 밤에 출입 제약이 있어요.
There is a restriction on entering this park at night.
시간 제약이 있어서 오래 못 만나요.
I have a time restriction, so we cannot meet for long.
이 쿠폰은 제약이 많아요.
This coupon has many restrictions.
비행기 표는 날짜 변경에 제약이 있어요.
Plane tickets have restrictions on changing the date.