turn a blind eye to sth

turn a blind eye to sth — закрывать глаза на что-л., смотреть на что-л. свозь пальцы (= не обращать внимания)

The autorities will turn a blind eye to the illegalities of his entry in the US.

Everybody knew he was stealing from the company but for some reason the management turned a blind eye to it.

(SS)

Related vocabulary:
[закрывать глаза]
[turn a deaf ear to sth]
~ пропускать сквозь пальцы