confidentialadj.秘密的；机密的；表示信任的；获信赖的Confidentiality assurance机若性保护confidential conversation密谈confidentiality procedure保密程序Confidential Damage Level秘密的破坏程度confidential code message密码电报confidential work expense机要事业费confidential communication受到法律保护的私下交谈confidential staff officer机要参谋Confidential qualification保密资格Confidential Monthly Order秘密级每月指令