?不翼而飞
...不翼而飞 take wings to itself ;taken to itself wings ;taken wings to itself ;took to itself wings ;took wings to itself 不老练) verdancy ..
不翼而飞
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。