When to use jeans in Korean
Korean: 청바지[ cheong-ba-ji ]

When to use it
Jeans are casual pants made from strong denim cloth. In Korean, 청바지 means jeans, and you use this word when talking about everyday clothes. Jeans are common for school, shopping, and going outside.
Example sentences
오늘은 청바지를 입어요.
I am wearing jeans today.
학교에 갈 때 청바지를 입어요.
I wear jeans when I go to school.
공원에서 파란 청바지를 입은 친구를 만났어요.
I met a friend wearing blue jeans at the park.
이 청바지 어때요?
How are these jeans?
가게에서 새 청바지를 샀어요.
I bought new jeans at the store.
여행 가방에 청바지 한 벌을 넣었어요.
I put one pair of jeans in my suitcase.