spies (B2)
noun
Pronunciation: /spaɪz/
Definition
People who secretly gather and report information about the plans and activities of another country, organization, or person.
Examples
The intelligence agency employed several spies to infiltrate the rival government.
During the Cold War, spies were a constant concern for both sides.
He was accused of being a spy for a foreign power.
How to Use spies
- spy on (phrasal verb)
- To watch someone or something secretly, especially in order to get information. — "The detective was hired to spy on the suspect."
- spy for (prepositional phrase)
- To work as a spy for a particular country or organization. — "He was caught spying for the enemy."
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