sā​shǒu​bù​guǎn

wash one's hands

撒手不管 sā​shǒu​bù​guǎn
wash one's hands verb
to stop managing or being involved in a matter; to abandon responsibility

He actually washed his hands of the matter at such a critical moment.

Frequency

Movie subtitles
1.10 per million appears in 1% of films
Written text
0.316 per million

Sources

Definitions
CC-CEDICT