不知不覺 bù zhī bù jué

DEFINITIONS

  1. unconsciously
  2. unwittingly

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
知 zhī
HSK 2
know, perceive, comprehend
不 bù
HSK 1
no, not; un-; negative prefix
覺 jué to wake up from sleep; conscious