不翼而飞
búyì-érfēiTraditional 不翼而飛
to vanish without a trace; to spread fast
Every meaning
bùyì-érfēi
- to spread fast
- to vanish without a trace
Its characters
Words with 不
Words with 翼
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).