wash your hands of
US /wɑʃ yʊər hændz ʌv/
UK /wɑʃ yʊər hændz ʌv/

1.
洗手不干, 推卸责任
to disclaim responsibility for something or someone
:
•
After the scandal, the company decided to wash its hands of the former CEO.
丑闻发生后,公司决定洗手不干前首席执行官的事情。
•
I'm going to wash my hands of this whole project; it's too much trouble.
我将洗手不干这个项目;它太麻烦了。