back out
柯林斯词典
1. PHRASAL VERB If you back out, or if you back out of something, you decide not to do something that you previously agreed to do. 退出; 变卦
The Hungarians backed out of the project in 1989 on environmental grounds. 匈牙利人在1989年以环境问题为由退出了该项目。
返回 back out