bite (the) hand that feeds (someone)

Translations
кусать руку, которая кормит
He bit the hand that feeds him by criticizing the company publicly.
Он укусил руку, которая его кормит, публично критикуя компанию.
Definitions
To act against or harm someone who is helping or supporting you, often in a way that is ungrateful or disloyal.
Words
bite

verb
кусать
the

article or possessive pronoun
этот
hand

noun
рука
that

pronoun
который
feeds

verb
кормит
someone

pronoun
кого-либо