confidential [ˌkɑ:nfɪˈdenʃl]

例句:

• Police are investigating the disappearance from council offices of confidential files.
  警察正在调查市政办公室机密档案被盗一案。
  
• National security is the stock excuse for keeping things confidential.
  国家安全常被用作对一些事情保密的挡箭牌。
  
• The helpline offers free and confidential support and information.
  来自BBC
• From time to time he passed on confidential information to him.
  他时不时告诉他一些机密信息。
  
• The bags contained eight patients' confidential medical records.
  来自BBC
• Until recently, testing was not free or confidential.
  来自VOA
• Please lock up these confidential reports.
  请把这些机密报告锁起来。
  来自《权威词典》
• We have a confidential exchange of views.
  我们推心置腹地交换意见。
  来自《权威词典》
• She is a confidential secretary of Mr. Smith.
  她是史密斯先生的一个机要秘书。
  来自《权威词典》