왔다 갔다

back and forth

→ 오다
phrase Uncommon #11,579
back and forth Describes repeated movement between two places or positions, or changing between two states. Literally, it means “came and went.”
KO: 고양이가 방 안을 계속 왔다 갔다 해요.
EN: The cat keeps going back and forth around the room.

왔다 갔다 하기 싫어요

I don't want to go back and forth.

— 로우 (2017)

왔다 갔다 하지 않았다면 말 입니다

That is, if you hadn’t gone back and forth.

— 특전 U보트 (1981)