When to use pocket in Korean
Korean: 호주머니[ ho-ju-meo-ni ]

When to use it
A pocket (호주머니) is a small part of clothing where you can keep things. You can put keys, money, or a phone in it. We often use this word when talking about pants, jackets, or coats.
Example sentences
집에서 열쇠를 호주머니에 넣었어요.
At home, I put the keys in my pocket.
학교에 가기 전에 돈을 호주머니에 넣어요.
Before going to school, I put money in my pocket.
밖이 추워서 호주머니에 손을 넣었어요.
It was cold outside, so I put my hands in my pockets.
"휴대폰이 어디 있어?" "호주머니에 있어."
"Where is your phone?" "It's in my pocket."
가게에서 이 바지는 호주머니가 커서 좋아요.
At the store, I like these pants because the pockets are big.
여행할 때 표를 호주머니에 넣었어요.
When traveling, I put the ticket in my pocket.