surveillance

/sɜːˈveɪləns/ (bre, ipa) · /sɜːrˈveɪləns/ (ame, ipa) · /sər-ˈvā-lən(t)s also -ˈvāl-yən(t)s or -ˈvā-ən(t)s/ (ame, mw)

surveillance — 名詞

1. the activity of closely watching people, buildings, or areas to prevent or solve

1.名詞B2
釋義

監控；監視

持續監看可疑人物或場所

the activity of closely watching people, buildings, or areas to prevent or solve crimes and to collect information for security purposes

例句

Surveillance of the warehouse showed workers leaving goods by the back door at night.

對這座倉庫的監控顯示，工人夜間在後門留下貨物。

The bank manager was kept under police surveillance for three days after the robbery.

搶案發生後，銀行經理受到警方監控長達三天。

collocation: under surveillance

同義詞
  • monitoring

    broader term; can refer to routine or technical observation (e.g., health monitoring), not only for crime prevention

  • observation

    more neutral and general; used in science, medicine, and everyday contexts, not necessarily secretive

  • watch

    informal and shorter; often used in 'keep watch' or 'under watch,' less technical than surveillance

文法句型

under + surveillance

surveillance + noun (as modifier)

用法筆記

Uncountable noun — do not say 'a surveillance' or 'surveillances.' The idiomatic pattern is 'keep someone/something under surveillance.' Also commonly used as a modifier before nouns ('surveillance camera,' 'surveillance footage').

常見錯誤

❌The police kept surveillance on the suspect.
✅The police kept the suspect under surveillance.
💡The correct idiomatic pattern is 'keep [someone/something] under surveillance,' not 'keep surveillance on.'