前所未聞 qián suǒ wèi wén

unheard-of; unprecedented

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. unheard-of
  2. 2. unprecedented

Characters

Character Meaning
前 qián HSK 1
front; before; forward
所 suǒ HSK 2
particle introducing a relative clause or passive
未 wèi HSK 5
not yet; not; have not
聞 wén
to hear; to smell; news