1. 获胜者;优胜者
    The winner of a prize, race, or competition is the person, animal, or thing that wins it.

winner的反义词

    e.g. She will present the trophies to the award winners...
           她将给获奖者颁奖。
    e.g. The winner was a horse called Last Town.
           获胜的是一匹叫做“最后的城镇”的马。

2. 成功者;可能成功的人(或事物)
    If you say that something or someone is a winner, you mean that they are popular and successful, or that they are likely to be popular and successful.

    e.g. They think the appeal is a winner...
           他们认为上诉能够成功。
    e.g. Selling was my game and I intended to be a winner.
           销售是我的老本行，我想做一个成功的销售者。

3. 获益者;得利者;赢家
    The winners in a particular situation are the people who have benefited from it and are in a better position than they previously were because of it.

    e.g. There are clear winners when a dam is built. Farmers get irrigation water, businesses get electricity...
           大坝若是建成，会有一些明显的受益者：农民将得到灌溉用水，企业将得到电力。
    e.g. The real winners of the election, he said, were the Hungarian people.
           他说，选举的真正赢家是匈牙利人民。

4. (足球、网球等比赛中的)制胜球
    In games such as football or tennis, the winner is the goal or shot that wins a particular match or point.

    e.g. Gough scored the winner in extra time.
           高夫在加时赛中攻入制胜球。