covert

• He was employed there as a covert operation specialist
  他在那作为一个秘密行动专家
• Firstmonday - covert channels in the tcp ip protocol suite
  -中国网络安全协会
• I earned a merit badge in covert evasion techniques
  获得了童子军的格斗奖章
• Oh , and don ' t worry about the little covert op , all right
  欧，别担心你的小秘密，好吗？
• After passing inspection procedures for covert projects
  合格后，办理隐蔽工程验收手续。
• What they asked me to set up for them is a covert unit ,
  他们让我为他们建立一个隐秘的部分
• Covert communication in advertising communication
  广告传播中的隐性沟通
• What they asked me to set up for them is a covert unit ,
  他们让我为他们建立一个隐秘的部分
• You ' re not as covert as you ' d like to think
  你并不是你想的那样隐蔽。
• To coordinate the covert ops for the n . s . c . ,
  为国家保安局部属掩护任务