人不知鬼不覺 rén bù zhī guǐ bù jué

DEFINITIONS

  1. in absolute secrecy

CHARACTERS

人 rén
HSK 1
man; people; mankind; someone else
不 bù
HSK 1
no, not; un-; negative prefix
知 zhī
HSK 2
know, perceive, comprehend
鬼 guǐ
HSK 5
ghost; spirit of dead; devil
不 bù
HSK 1
no, not; un-; negative prefix
覺 jué to wake up from sleep; conscious