(pos:名詞)
<explanation>
yue:組織、公司入面唔俾得外人知嘅嘢
eng:confidential materials or information
<eg>
yue:機密文件 (gei1 mat6 man4 gin2)
eng:confidential document
<eg>
yue:商業機密 (soeng1 jip6 gei1 mat6)
eng:trade secrets
<eg>
yue:泄漏公司機密 (sit3 lau6 gung1 si1 gei1 mat6)
eng:to disclose confidential materials of company
<eg>
yue:呢啲係政府嘅機密。 (ni1 di1 hai6 zing3 fu2 ge3 gei1 mat6.)
eng:This is confidential information of the government.

(pos:形容詞)
<explanation>
yue:#重要 而#秘密 嘅
eng:confidential
<eg>
yue:呢個係非常機密嘅研究計劃。 (ni1 go3 hai6 fei1 soeng4 gei1 mat6 ge3 jin4 gau3 gai3 waak6.)
eng:This is a highly confidential research project.