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卧底, 秘密的
working or conducted secretly under the supervision of a law enforcement agency to gather information or catch criminals
- The undercover agent infiltrated the criminal organization to gather intelligence.
卧底特工潜入犯罪组织收集情报。
- They operated under an undercover identity to protect their true identity from the suspects.
他们以卧底身份行动，以保护自己的真实身份不被嫌疑人发现。
- The undercover operation uncovered illegal activities within the company.
卧底行动揭露了公司内部的非法活动。
- He worked as an undercover investigator, posing as a regular customer to catch shoplifters.
他作为一名卧底调查员工作，假装成普通顾客以抓捕商店扒手。
- The undercover journalist exposed corruption in the local government through their investigative reporting.
卧底记者通过他们的调查报道揭露了地方政府的腐败。