Search the dictionary A Chinese word or character, or English Draw a character Search 2 entries. huǐyúyīdàn 毁于一旦 ruined in a short time (esp. of sth that took a long time or great effort to achieve) huǐyúyīdàn 毀於一旦 ruined in a short time (esp. of sth that took a long time or great effort to achieve)