back and forth

not-comparable

Going from one place or position to another and back again.

Japanese Meaning

行ったり来たりすること / 往復

The back and forth motion of the swing soothed the baby.

ブランコの行ったり来たりする動きが赤ちゃんを落ち着かせた。

Sense（1）

Going from one place or position to another and back again.

The back and forth movement of the tide causes erosion of the coastline.