coalition       
noun [ C or U ] uk/kəʊ.əˈlɪʃ.ən/ us/koʊ.əˈlɪʃ.ən/
 (不同政党或不同群体的人为特定目标而暂时形成的)联盟,同盟,联合体
the joining together of different political parties or groups for a particular purpose, usually for a limited time, or a government that is formed in this way
  Government by coalition has its own peculiar set of problems. 联合政府有其自身特有的一系列问题。 
 By forming a coalition, the rebels and the opposition parties defeated the government. 叛乱者与反对党结成联盟,击败了政府。 
 a coalition government 联合政府 
 The coalition immediately decided to cut capital spending. 联合政府立即决定削减资本支出。