ㄧㄤˇyǎngㄏㄨˇㄕㄤshāngㄕㄣshēn

  1. 飼養老虎傷害比喻縱容敵人留下後患·千金記·第一》:大王便養虎傷身!」·五七》:兀朮罷了養虎傷身!』」養癰遺患

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