When to use cleaning in Korean
Korean: 청소[ cheong-so ]

When to use it
청소 (cleaning) means making a place clean by removing dust, dirt, or trash. You use this word when talking about cleaning a room, a house, a classroom, or other spaces. In daily Korean, people often say 청소하다 or 청소를 하다 for "to clean."
Example sentences
저는 아침에 방 청소를 해요.
I clean my room in the morning.
엄마와 같이 거실 청소를 했어요.
I cleaned the living room with my mom.
우리 반은 매일 교실 청소를 해요.
Our class cleans the classroom every day.
오늘 우리는 공원을 청소해요.
Today we clean the park.
지금 청소 중이라서 조금 바빠요.
I am cleaning now, so I am a little busy.
호텔 방 청소 부탁해요.
Please clean the hotel room.