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Open the tool →养虺成蛇 (yǎng huǐ chéng shé) is a Chinese idiom (chengyu) meaning “to foster a potential danger or problem, allowing it to grow into a major threat; to indulge a minor evil until it becomes a serious one”.
养虺成蛇 is pronounced yǎng huǐ chéng shé in Mandarin Chinese.
Literally, 养虺成蛇 means “to raise a viper (or small snake) until it becomes a snake (large or venomous one)”. It is used to mean “to foster a potential danger or problem, allowing it to grow into a major threat; to indulge a minor evil until it becomes a serious one”.
比喻纵容敌人,听任其强大起来。