1. A move made in opposition or retaliation to another.
   反作用用来反对或缓和一种作用的作用
2. To make a move in retaliation or opposition.
   进行缓和或抵消的行动
3. The Republicans were in opposition to the raise in taxes.
   共和党反对加税。
4. The opposition had no room in which to maneuver.
   对手没有回旋的余地了
5. Being in diametrical opposition.
   恰恰相反的

　1个副词解释