the act of carefully watching a person suspected of a crime or a place where a crime may be committed synonym observation(对犯罪嫌疑人或可能发生犯罪的地方的)监视 The police are keeping the suspects under constant surveillance. 警方正对嫌疑人实施不间断监视。 surveillance cameras/equipment 监视摄像机/设备
Extra ExamplesTopics War and conflictc1, Crime and punishmentc1The suspects are under police surveillance. 嫌疑人在警方的监视之下。 The images were covertly captured on surveillance tape. 监控录像带偷偷记录下了这些影像。
Oxford Collocations Dictionaryadjective- close
- constant
- regular
- …
- be under
- keep somebody/something under
- place somebody/something under
- …
- camera
- device
- equipment
- …
Word Originearly 19th cent.: from French, from sur- ‘over’ + veiller ‘watch’ (from Latin vigilare ‘keep watch’).