counterespionage

n.反间谍(活动),策反

反间谍活动；反间谍工作

名词

1. The government set up a counterespionage agency to protect national security.
政府成立了一个反间谍机构来保护国家安全。
2. The diplomat was suspected of engaging in counterespionage activities on behalf of a foreign power.
这位外交官被怀疑代表外国势力进行反间谍活动。