一无所知 yī wú suǒ zhī

not knowing anything at all (idiom); completely ignorant

Word data

HSK Not in HSK
Frequency 3408th word

Definitions

  1. 1. not knowing anything at all (idiom); completely ignorant
  2. 2. without an inkling

Characters

Character Meaning
一 yī HSK 1
one; 1; single
无 wú HSK 4
not; no; not to have
所 suǒ HSK 2
particle introducing a relative clause or passive
知 zhī HSK 2
to know; to be aware