turn his back

• vt. 离开(逃走)

turn his back的用法和样例：

例句

1. He turned his back on me and I knew that he was angry with my words.
   他背过身去不理我，我知道他肯定是被我的话惹恼了。
2. He could not turn his back upon helpless travelers.
   对孤立无援的旅客，他不忍心拒绝不管。