toss to and fro

例句：

1. 1. Thebutterfly was tossing to andfro in the garden.
   蝴蝶在花园里来回飞舞。
2. 2. She tosses to andfro between two cities, unable to decidewhere to go.
   她在两个城市之间来回徘徊，无法决定去哪里。
3. 3. Thechild is tossingto and fro on the grass, playing hide-and-seek with his friends.
   孩子在草地上来回奔跑，和朋友们玩捉迷藏。