Tra từ spy - Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

spy UK US [spaɪ] noun countable [ spies ]
<A > a person who secretly collects and reports information about the activities of another country or organization
Thesaurus⁺: ↑Spying and espionage

• His former colleagues have denounced him as a spy.
• The organization had been penetrated by a spy.
• In the film, he plays a spy whose mission is to confirm the verity of a secret military document.
• The British spy, Kim Philby, defected to the Soviet Union in 1963.
• a spy network

verb

FIND SECRETS

1. intransitive to secretly collect and report information about the activities of another country or organization
• He was arrested for spying on missile sites.
Thesaurus⁺: ↑Spying and espionage
2. spy out
informal to get knowledge secretly, especially of a place
• I generally like to spy out restaurants before I go to eat in them.
Thesaurus⁺: ↑Spying and espionage

SEE

3. transitive old-fashioned or humorous to see or notice someone or something usually when it involves looking hard
• I think I've just spied Andrew in the crowd.
Thesaurus⁺: ↑Using the eyes ↑Eyesight, glasses and lenses ↑The eye and surrounding area ↑Perceptive
Idiom: spy out the land
Phrasal Verb: spy on somebody