undercover agent

英 [ˌʌndəˈkʌvə(r) ˈeɪdʒənt] 美 [ˌʌndərˈkʌvər ˈeɪdʒənt]

密探,特务,间谍;内线;线人

网络



英英释义

noun

  1. (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors

      Synonym:    spy