undercover

adj.

1. 秘密工作的；暗中做的；私下进行的
   working or done secretly in order to find out information for the police, a government, etc.
   1. an undercover agent
      密探
   2. an undercover operation/investigation
      秘密行动 / 调查

1. ADJ 秘密的;密探的;卧底的
   Undercover work involves secretly obtaining information for the government or the police.
   1. ...an undercover operation designed to catch drug smugglers.
      抓捕毒贩的秘密行动
   2. ...undercover FBI agents.
      联邦调查局的密探
   3. ...undercover reporters.
      卧底记者
   4. Undercover is also an adverb.
      
   5. Swanson persuaded Hubley to work undercover to capture the killer.
      斯旺森说服赫布利去做卧底以便将凶手抓获。

1. You can spot undercover cops a mile off.
   你一眼就可以认出便衣警察。
2. Journalists informed police who planted an undercover detective to trap Smith.
   记者通知了警方，后者于是为诱捕史密斯而安插了一名卧底侦探。
3. Officers had tailed the gang from London during a major undercover inquiry
   在一次重大的秘密调查行动中，警察从伦敦就盯上了那帮匪徒。
4. Long-term, intelligence-based and undercover operations resulted in many prosecutions.
   警方根据情报和派出卧底进行长时间的调查，结果提出多宗检控。
5. And how long were you undercover?
   你做了多久的？
6. Then you know I'm undercover!
   那你们应该知道我是卧底！
7. I am an undercover police officer.
   我是一个卧底警察。
8. I had a brother who worked undercover, just like you.
   我有个弟弟，和你一样干卧底。
9. What are you saying? I got it from an undercover.
   你到底在说些什么？我听一个卧底说的。
10. I'm undercover? I'm on the job? Don't shoot?
    我是卧底探员，我正在执勤，别开枪！
11. Undercover police officers nabbed the men as they were taking possession of a consignment of heroin.
    当那些人正在领取托运的海洛因时，便衣警察逮捕了他们。
12. Us, or the guys who lost two undercover cops?
    我们，还是那些死了两个密探的家伙？
13. Are you interested in doing any undercover work?
    你还愿意做一些卧底的工作吗？
14. I hate it when you do undercover work.
    我真讨厌你去做卧底。
15. You ever date someone undercover?
    你有和卧底约会过吗？
16. Help me, Undercover Economist, you are my only hope.
    帮帮我吧，亲爱的经济学家，你是我唯一的希望了。
17. He had offered cocaine to an undercover police officer.
    他曾提出要给一个卧底警官可卡因。
18. We'll have captain Harris and lieutenant proctor* Take the undercover assignment at the union towers building.
    联合高楼的秘密任务将由哈里斯上尉和学监中尉来负责。
19. Listen. there's an undercover officer on the scene.
    听着，现场有个卧底。
20. Ever since I met you, I've been undercover. I'm a cop.
    自从我遇见你开始，我就是卧底，我是警察。
21. This guy's been undercover for the last eight months.
    这人在过去八个月中一直担任卧底。
22. He's about to go undercover in a high-risk operation.
    他要进行一次非常危险的秘密行动。
23. He's always going undercover.
    他总是进行他的秘密活动。
24. He killed your undercover officer but not the others.
    他杀害的是你们的便衣警察，而不是其他人。
25. The guy's an informer, an undercover cop or something.
    这人是个卧底或者便衣警察。
26. We discovered one of the team was an undercover cop.
    我们发现其中一个是警察的卧底。
27. The man you shot had been undercover.
    你射击的那个人是密探。
28. When you go undercover, you have to do things you wouldn't normally do.
    当你伪装时，你会做一些和平时不一样的事。
29. But I was working undercover.
    但我是秘密工作的。
30. I think he was an undercover agent who you put inside.
    我认为他是你派去的卧底。

adj

1. conducted with or marked by hidden aims or methods
   1. clandestine intelligence operations
   2. cloak-and-dagger activities behind enemy lines
   3. hole-and-corner intrigue
   4. secret missions
   5. a secret agent
   6. secret sales of arms
   7. surreptitious mobilization of troops
   8. an undercover investigation
   9. underground resistance

   Synonym:    clandestinecloak-and-daggerhole-and-corner(a)hugger-muggerhush-hushsecretsurreptitiousunderground