他的颠覆行为将使整个自由运动丧失信誉。 His subversive action will give a black eye to the whole liberal movement.
政治迫害表面上是开展揭露颠覆的活动，但实际上用于扰乱和削弱持不同看法的人的调查 An investigation carried out ostensibly to uncover subversive activities but actually used to harass and undermine those with differing views.
反叛者阴谋想颠覆政府。 The conspirators want to overthrow the government.
他们这些颠覆性的思想是对我们年轻人的精神污染。 They are contaminating the minds of our young people with these subversive ideas.