When to use police officer in Korean
Korean: 경찰관[ gyeong-chal-gwan ]

When to use it
A police officer (경찰관) is a person whose job is to keep people safe and help in emergencies. You use this word when talking about a man or woman in the police. For example, you can ask a police officer for help if you are lost.
Example sentences
우리 아빠는 경찰관이에요.
My dad is a police officer.
학교 앞에 경찰관이 있어요.
There is a police officer in front of the school.
저는 길을 잃어서 경찰관에게 물어봤어요.
I got lost, so I asked a police officer.
공원에서 경찰관이 자전거를 타요.
A police officer rides a bicycle in the park.
저기 경찰관에게 물어보자.
Let's ask that police officer over there.
역에서 경찰관이 사람들을 도와줘요.
A police officer helps people at the station.