一无所知 yī wú suǒ zhī

DEFINITIONS

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

CHARACTERS

一 yī
HSK 1
one; a, an; alone
无 wú
HSK 4
negative, no, not; KangXi radical 71
所 suǒ
HSK 2
place, location; numerary adjunct
知 zhī
HSK 2
know, perceive, comprehend