C 竞争对手person or sth competing with another

　defeat one's ～　击败对手
　encounter a ～　遇到一个对手
　fallen ～　被打败的竞争对手
　powerful ～　强敌
　～ firm　竞争公司
　without a ～　无可匹敌的
　～ for　对…的竞争对手
　a ～ in love　情敌

　He beat his rival.　他击败他的竞争对手。
　As a book of reference for students of English, this dictionary is without a rival.　作为英语系学生的参考书，这部辞典是无与伦比的。

　vt.　与…竞争，与…匹敌seem or be as good as sb/sth; be comparable to sb/sth

　～ for　为…竞争
　～ each other in popularity　互比声望高低

　None of us can rival him in strength.　我们谁也没他劲大。
　The sunset rivaled the sunrise in beauty.　日落与日出的景色一样美。

 ♣ rival, match
　参见match条。

　［同义词］ n. competitor, contestant, opponent v. compete, contest, oppose
　［词源］拉丁语rivalis（二人在同一江上垂钓）