養虎遺患 [ㄧㄤˇ ㄏㄨˇ ㄧˊ ㄏㄨㄢˋ; yang3 hu3 yi2 huan4] Rear a tiger and court disaster. (idiom); fig. if you're too lenient with sb, he will damage you later to cherish a snake in one's bosom ◄ ►