run back

1. On seeing the picture, I let my thoughts run back over my childhood.
一看到那幅照片,我的思绪就回到了童年时代。

来自《简明英汉词典》

2. Don't back up the moment you run up against a little difficulty.
不要遇到一点困难就打退堂鼓。

来自《现代汉英综合大词典》

3. Most of the victims were shot in the back while trying to run away.
大多数受害者在设法逃跑时从背后被枪杀。

来自《简明英汉词典》