神不知鬼不觉 (神不知鬼不覺) shén bùzhī guǐ bùjué

shén bùzhī guǐ bùjué set phrase top secret; hush-hush
Domain: Modern Chinese 现代汉语 , Subdomain: , Concept:
Notes: (CC-CEDICT '神不知鬼不覺')

Word is mentioned most frequently in

Truncated for common words