人不知，鬼不觉

See also: 人不知，鬼不覺

Chinese

For pronunciation and definitions of 人不知，鬼不觉 – see 人不知，鬼不覺 (“people don't know it, and ghosts don't feel it; very secret or mysterious”). (This term is the simplified form of 人不知，鬼不覺).

Notes: Simplified Chinese is mainly used in Mainland China, Malaysia, and Singapore. Traditional Chinese is mainly used in Hong Kong, Macau, and Taiwan.