不知就裡 bù zhī jiù lǐ

DEFINITIONS

  1. unaware of the inner workings
  2. naive
  3. unwitting

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
知 zhī
HSK 2
know, perceive, comprehend
就 jiù
HSK 2
just, simply; to come, go to; to approach, near
裡 lǐ inside, interior, within