bù​yì'ér​fēi HSK7

spread rapidly

不翼而飞 (不翼而飛) bù​yì'ér​fēi
spread rapidly idiom
to spread fast or spread like wildfire, typically referring to news or rumors
vanish idiom
to disappear without trace or vanish all of a sudden

Frequency

Movie subtitles
0.830 per million appears in 0% of films
Written text
1.57 per million

Details

HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT