undercover agent
US /ˈʌndərˌkʌvər ˈeɪdʒənt/
UK /ˈʌndəkʌvər ˈeɪdʒənt/
名詞
臥底特工, 秘密特工
a person who works secretly for a government agency or police force, often to gather information about criminal activities
範例:
•
The police used an undercover agent to infiltrate the drug cartel.
警方派出一名臥底特工滲透販毒集團。
•
She spent years as an undercover agent, gathering intelligence on organized crime.
她作為一名臥底特工多年，收集有關有組織犯罪的情報。