机密 jīmì HSK7 secret Definitions Defs Origin Strokes Stroke Words Sentences Sents 机密性 jīmìxìng confidentiality the state of being secret or private; confidentiality国家机密 guójiājīmì state secret Information that is classified by the government to protect national security机密文件 jīmìwénjiàn classified document secret or confidential document; classified files