養ㄧㄤˇyǎng癰ㄩㄥyōng遺ㄧˊyí患ㄏㄨㄢˋhuàn

  1. 比喻姑息養奸，必遺後患。參見「養癰成患」條。似養虎傷身、養虎遺患、養癰成患反杜漸防微、杜絕後患

英lit. to foster an ulcer and bequeath a calamity (idiom)​; tolerating budding evil can only lead to disaster, to cherish a viper in one's bosom