anti-government反政府的

　　e.g. Mr Cramer said the violence by anti-government protestors was reprehensible.

　　克拉默先生说反政府示威者的暴力活动应该受到谴责。

　　antisocial反社会的

　　e.g. Toddlers are notoriously antisocial when it comes to sharing toys.

　　众所周知，刚学会走路的孩子不愿意和别人分享玩具。

　　4.counter-/contra- (against，opposite反，对应)

　　contrast对比，对照；

　　e.g. The boy's room is a complete contrast to the guest room.

　　这个男孩的房间和房客截然不同。

　　counteract抵抗；

　　e.g. My husband has to take several pills to counteract high blood pressure.

　　我丈夫不得不吃几天药来降压。

　　5.de- away，down，negative离开，分，否定，使低下

　　decompose v. 分解, 腐烂

　　e.g. Most animals decompose very quickly after death.

　　大多数动物死后会很快腐烂。

　　degenerate v. 堕落

　　e.g. Will too much freedom make them degenerate?

　　太多的自由会令他们堕落吗？