n.反情报行动，反间谍活动

The agency is responsible for counterintelligence activities against foreign powers.
该机构负责对外国势力进行反情报活动。
He was recruited to work in the counterintelligence division of the military.
他被招募到军队的情报反谍部门工作。
They uncovered a sophisticated espionage operation through their counterintelligence efforts.
通过他们的反情报努力，他们揭露了一个精密的间谍行动。
Counterintelligence agents often operate undercover to gather information.
反情报特工经常乔装卧底以收集信息。
The government increased funding for counterintelligence agencies after the terrorist attack.
政府在恐怖袭击后增加了对反情报机构的资金投入。
She suspected her colleague of leaking classified information and reported it to counterintelligence.
她怀疑她的同事泄露了机密信息，并将其报告给反情报部门。
The counterintelligence unit identified and neutralized several moles within the organization.
反情报小组识别并中止了组织内部的几个内奸。
His job as a counterintelligence officer involves monitoring potential threats from foreign governments.
作为一名反情报官员，他的工作包括监控来自外国政府的潜在威胁。
The counterintelligence team worked tirelessly to prevent any sabotage during the summit.
反情报团队不遗余力地防止峰会期间发生破坏活动。
The counterintelligence agent posed as a diplomat to infiltrate the enemy's network.
反情报人员伪装成外交官以渗透敌人的网络。