听之任之 [- - rèn zhī]allow someone to continue ...; allow sth. to go unchecked; let matters drift; let one have (entirely) one's own way; let things go hang; take a laissez-faire attitude:
•¶ 对于损害群众利益的事情， 我们不能听之任之。 We cannot shut our eyes to things that harm the interests of the masses.