opponent
单词辨析：
指在竞争、比赛、战斗、辩论等中的对手。
He easily defeated his opponent in the election.
他在竞选中轻松击败了对手。
Ted can outfox his opponent almost every time.
特德几乎每次都能智取对手。
指参与竞争的人、队伍、公司等，尤指商业领域内的对手。
The company signed a secret deal with its main competitor.
该公司与其主要竞争者签订了一项秘密协议。
Their product has a good lead over their competitor's.
他们的产品遥遥领先其竞争者。
普通用词，指心怀仇恨并意图造成伤害的对手，可以是人或动物。
Politicians often have many enemies.
政治家往往树敌很多。
Remember not to make an enemy of him.
记住不要与他为敌。
Birds and insects are natural enemies.
鸟类与昆虫是天敌。
多用于文学作品中，指敌意很深、危险性很大的对手。
They are my sworn foes.
他们是我不共戴天的仇人。
Is the killer your friend or foe?
杀手是你的朋友还是仇人？
The knight was murdered by his foes.
那位骑士被他的仇敌谋害了。
指在赛场、情场、职场、生意场等中的竞争对手，可以是人、机构、物品等。
The boxer beat his rival.
这位拳击手击败了他的对手。
Bob and I are rivals in love.
鲍勃和我是情敌。
Moch and I were rivals for the job.
莫克和我是这次求职的竞争对手。
The two companies still remain bitter rivals.
这两家公司依然是宿敌。
相关例句：
He described the detention without trial of political opponents as a cowardly act.
他称未经审判就将政敌关押起来是懦夫之举。
His forceful arguments silenced his opponent.
他论辩有力，把对方说得哑口无言。
He was a vociferous opponent of Conservatism
他高声反对保守主义。
There were indirect references to his opponent
隐晦提到了他的反对者。
Not since 1988 had she whitewashed an opponent in her opening match
自1988年以来她还从未在开场赛中让对手吃过鸭蛋。
Norris twice knocked down his opponent in the early rounds of the fight
诺里斯在前几个回合中两次击倒对手。