一问三不知 yī wèn sān bù zhī

DEFINITIONS

  1. lit. to reply "don't know" whatever the question (idiom)
  2. fig. absolutely no idea of what's going on
  3. complete ignorance

CHARACTERS

一 yī
HSK 1
one; a, an; alone
问 wèn
HSK 2
ask about, inquire after
三 sān
HSK 1
three
不 bù
HSK 1
no, not; un-; negative prefix
知 zhī
HSK 2
know, perceive, comprehend