英语词源
- undercover (adj.)
- 1854, "sheltered," from under + cover (n.). Sense of "operating secretly" attested from 1920.
权威例句
- 1. 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。
- 2. 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。
- 3. 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。
- 4. Undercover officers found drug-making equipment used to impregnate paper with LSD.
- 卧底警官发现了用于使迷幻药浸透到纸里的毒品制造设备。
- 5. You can spot undercover cops a mile off.
- 你一眼就可以认出便衣警察。