/ˈraɪvəl/
a person, company or thing that competes with another in sport, business, etc. 竞争对手
The two teams have always been rivals.
这两个队一直是竞争对手。
The Japanese are our biggest economic rivals.
日本人是我们最大的经济竞争对手。
This latest design has no rivals (= it is easily the best design available).
这种最新款式独领风骚。