人不知，鬼不觉

EtymologyEdit

Literally: people don't know, and ghosts don't feel

IdiomEdit

人不知，鬼不觉 (simplified, Pinyin rén bù zhī, guǐ bù jué, traditional 人不知，鬼不覺)

1. something that is so mysterious, that it cannot be known by humans or felt by ghosts

External linksEdit

• Google hits .cn
• Google hits: .tw