不翼而飞 不翼而飛
bù yì ér fēi
HSK 等级: HSK 7–9
释义
to disappear without trace; to vanish all of a sudden; to spread fast; to spread like wildfire
bù yì ér fēi
HSK 等级: HSK 7–9
to disappear without trace; to vanish all of a sudden; to spread fast; to spread like wildfire