Level 6 · word 19,578 of 20,000

counterintelligence

/ˌkaʊntərɪnˈtelɪdʒəns/ American
  • n. 反情报
Definition
  • n. activities carried out to prevent enemy spying
Example
The agency's counterintelligence team worked to stop foreign spies secretly.
该机构的反间谍团队暗中行动,阻止外国间谍活动。