1. She worked as an undercover agent for the police.
    她为警察当密探。

1. 高桥盾：由日本里原宿传奇人物NIGO®(BAPE)与高桥盾(undercover)两人纷纷在部落格共同公开了一项重大消息.那便是早期里原宿玩家中最无法忘怀的在宝岛杂志连载的专栏Last Orgy 2光辉王朝将再次重现.此回曝光的有两款棒球外套,

2.

2. 深入敌军：hows the discise holding up 伪装还撑得住吗? | undercover 深入敌军 | watch out for scouts 睁大眼睛看着巡逻(可以看穿间谍的兵种)

3. 义胆浓情：1996 创意先锋 Creative Edge | 义胆浓情 Undercover | 城市双雄 City Cops

1. 秘密的;密探的;卧底的
    Undercover work involves secretly obtaining information for the government or the police.

    e.g. ...an undercover operation designed to catch drug smugglers.
           抓捕毒贩的秘密行动
    e.g. ...undercover FBI agents.
           联邦调查局的密探

1. conducted with or marked by hidden aims or methods

    e.g. clandestine intelligence operations
           cloak-and-dagger activities behind enemy lines
           hole-and-corner intrigue
           secret missions
           a secret agent
           secret sales of arms
           surreptitious mobilization of troops
           an undercover investigation
           underground resistance

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