검색
back and forth
01
앞뒤로
repeatedly going in one direction and then in the opposite direction
예
The boat rocked back and forth with the gentle movement of the waves.
The swing swayed back and forth as the child enjoyed the playground.
The pendulum swung back and forth, marking the passage of time.
The windshield wipers moved back and forth, clearing the rain from the car window.
The children played catch, throwing the ball back and forth.