Từ điển trực tuyến - Online Dictionary

English - Vietnamese Dictionary
surveillance /sə:'veiləns/
  • danh từ
    • sự giám sát
      • to be under surveillance: bị giám sát, bị theo dõi
Thesaurus Dictionary
observation, watch, scrutiny, reconnaissance:
The police kept him under constant surveillance.
Advanced English Dictionary
+ noun
[U] (written) the act of carefully watching a person suspected of a crime or a place where a crime may be committed: The police are keeping the suspects under constant surveillance. + surveillance cameras / equipment
Collocation Dictionary


close, constant, regular, round-the-clock, routine | covert | aerial, CCTV/closed-circuit television, electronic, satellite, video | military, police


be under
The suspects are under police surveillance.
| keep/place/put sb/sth under
The country's borders are kept under constant surveillance.
| carry out, mount
The army carried out covert surveillance of the building for several months.
| increase, reduce


camera, device, equipment | method, operation, system | aircraft | flight | team

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