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

1.
lavar as mãos de, desresponsabilizar-se de
to disclaim responsibility for something or someone
:
•
After the scandal, the company decided to wash its hands of the former CEO.
Após o escândalo, a empresa decidiu lavar as mãos do ex-CEO.
•
I'm going to wash my hands of this whole project; it's too much trouble.
Vou lavar as mãos de todo este projeto; é muito problemático.