When to use to prohibit in Korean
Korean: 금지하다[ geum-ji-ha-da ]

When to use it
금지하다 means to say that something is not allowed or must not be done. You use it for rules, signs, or when a person stops an action. For example, it is common with things like smoking, taking photos, or using a phone.
Example sentences
학교에서는 수업 중 휴대폰 사용을 금지해요.
At school, phone use during class is prohibited.
엄마는 밤늦게 나가는 것을 금지해요.
Mom prohibits going out late at night.
이 공원은 잔디에 들어가는 것을 금지해요.
This park prohibits walking on the grass.
이 가게는 사진 찍는 것을 금지합니다.
This store prohibits taking pictures.
비행기에서는 이륙할 때 자리에서 일어나는 것을 금지해요.
On airplanes, getting up during takeoff is prohibited.
도서관 직원이 큰 소리로 말하는 것을 금지했어요.
The library staff prohibited speaking loudly.