undercover造句
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。
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。
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。