subversion

n. 颠覆,破坏

The branch of an intelligence service charged with keeping sensitive information from an enemy, deceiving that enemy, preventing subversion and sabotage, and collecting political and military information.

反情报组织情报组织的一个分支，任务是使敌人得不到高级机密，欺骗敌人，避免颠覆和阴谋破坏并收集政治和军事情况

Let al our neighbors know that we shall join with them to oppose aggression or subversion anywhere ill the Americas.

我们要让所有邻国都知道，我们将和他们在一起，反对在美洲任何地区进行侵略和颠覆活动。