fifth columnism

[ fifth columnism ]

n.第五纵队（间谍的通称）

例句与用法：

Beware of the fifth column. They often infiltrate into key positions and seek to undermine the body politic from within.

要提防隐蔽的敌人，他们经常渗透到关键岗位企图从内部破坏国家政体。

词形变化：

名词: fifth columnism |