created sense approved 引狼入室 · yǐnlángrùshì · invite trouble
引狼入室
yǐnlángrùshì
invite trouble
to introduce a dangerous or untrustworthy person or entity into one's home, organization, or inner circle, thereby creating a source of future disaster
把这种阴险的小人留在身边,无异于引狼入室。
idiom