第1个回答 2009-12-11
rival:a person, organization, team, etc, that competes with another for the same object or in the same field对手, 竞争者
匹敌者, 对等的人[物]; 可与相比的东西
competitor:the contestant you hope to defeat; "he had respect for his rivals"; "he wanted to know what the competition was doing竞争者,运动员,比赛者