一窍不通 yī qiào bù tōng

DEFINITIONS

  1. lit. doesn't (even) enter a single aperture (of one's head)
  2. I don't understand a word (idiom)
  3. it's all Greek to me

CHARACTERS

一 yī
HSK 1
one; a, an; alone
窍 qiào
HSK 6
hole, opening, aperture
不 bù
HSK 1
no, not; un-; negative prefix
通 tōng
HSK 4
pass through, common, communicate