养 ㄧㄤ ˇ yǎng 痈 ㄩㄥ yōng 遗 ㄧ ˊ yí 患 ㄏㄨㄢ ˋ huàn 養 ㄧㄤ ˇ yǎng 癰 ㄩㄥ yōng 遺 ㄧ ˊ yí 患 ㄏㄨㄢ ˋ huàn 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