bù​yì'ér​fēi HSK7

to vanish into thin air

不翼而飞 不翼而飛 bù​yì'ér​fēi
to vanish into thin air
Literally meaning "to fly away without wings"; used to describe things suddenly going missing or disappearing without a trace.
to spread like wildfire
To spread rapidly, such as news, rumors, or ideas.

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