(also let things lie)

to take no action about something

对…不闻不问，对…置之不理，对…听之任之

Instead of going to the police they let things lie for a couple of months.

他们没去报警，好几个月对此都听之任之。

The company has let this problem lie for years, allowing dozens of people to be victimized in the meantime.

这个公司多年来一直对这个问题置之不理，让数十人在此期间成为受害者。