opponent/competitor/enemy/foe/rival.导航词义：对手

1. opponent:n. 对手，敌手.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。

2. competitor:n. 对手，竞争者.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。

3. enemy:n. 敌人，敌手.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。

4. foe:n. 仇敌，敌人.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。

5. rival:n. 对手，敌手.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。

全部

1·The town fell into enemy hands.

那个小镇落到敌人手里了。《牛津词典》

2·They retreated before the enemy.

面对敌人，他们撤退了。《牛津词典》

3·They took out two enemy bombers.

他们摧毁了敌人的两架轰炸机。《牛津词典》

4·The city is under enemy control.

那座城市现处于敌人的控制之下。《牛津词典》

5·Missiles were fired at the enemy.

向敌人发射了导弹。《牛津词典》

6·The enemy are on the march.

敌人正在行军途中。《牛津词典》

7·The enemy was tactically superior.

敌人拥有战术上的优势。《牛津词典》

8·The enemy was driven back.

敌人被击退了。《牛津词典》

9·Enemy troops suffered heavy losses.

敌军伤亡惨重。《牛津词典》

10·We charged at the enemy.

我们向敌人发起冲锋。《牛津词典》

敌人

1·Missiles were fired at the enemy.

向敌人发射了导弹。《牛津词典》

2·The city is under enemy control.

那座城市现处于敌人的控制之下。《牛津词典》

3·They retreated before the enemy.

面对敌人，他们撤退了。《牛津词典》

4·They took out two enemy bombers.

他们摧毁了敌人的两架轰炸机。《牛津词典》

5·They cut off the enemy's retreat.

他们切断了敌人的退路。《牛津词典》

敌

1·The officers were still reluctant to unleash their troops in pursuit of a defeated enemy.

军官们仍不愿发兵追击溃敌。《柯林斯英汉双解大词典》

2·Aircraft bombarded the enemy warship.

飞机轰炸了敌军舰。

3·When it comes to urban fighting, every corner can hide a group of enemy soldiers.

如果是在城市里战斗的话，每个角落里都可能藏着一组敌兵。

4·We must defend our motherland from the enemy.

我们必须保卫祖国防御进犯之敌。

5·He may have had many opponents he had hardly one personal enemy.

我敢大胆地说：他可能有许多敌人，但却难得一个私敌。

敌军

1·They attacked the enemy positions at dawn.

黎明时分，他们向敌军阵地发起进攻。《牛津词典》

2·They carried out a bombing raid on enemy bases.

他们突然出击，轰炸了敌军的基地。《牛津词典》

3·The troops had penetrated deep into enemy lines.

部队已经深入敌军防线。《牛津词典》

4·They fired in the general direction of the enemy.

他们向敌军所在的大致的方向开了枪。《牛津词典》

5·U.S. troops surprised eight enemy fighters in a cave complex.

美国军队在一个洞穴群里出其不意地抓获了8名敌军士兵。《柯林斯英汉双解大词典》

敌方

1·The war was carried into enemy territory.

战争已推进到敌方境内。《牛津词典》

2·Twelve enemy fighters had been brought down.

有十二架敌方的战斗机被击落。《牛津词典》

3·The headquarters had been infiltrated by enemy spies.

总部混入了敌方特务。《牛津词典》

4·In an exercise designed to be as real as possible, they simulated an advance on enemy positions.

在一次设计得尽可能逼真的演习中，他们模拟了一次向敌方阵地的前进。《柯林斯英汉双解大词典》

5·The conflict made it nearly impossible to track the activities of enemy tribes outside Roman territory.

这场冲突使得在罗马领土之外追踪敌方部落的踪迹成为几乎不可能的事。

仇敌

1·He put forth his hand to his former enemy in token of goodwill.

他伸手给昔日的仇敌表示友好。

2·Then she that is mine enemy shall see it, and shame shall cover her which said unto me, Where is the LORD thy God?

那时我的仇敌，就是曾对我说耶和华你神在哪里的，他一看见这事就被羞愧遮盖。 我必亲眼见他遭报。

3·The third figure is that of an enemy in hot pursuit while the divine Defender still stands by, and he is not left alone.

在第三幅图画里，我们看见一个仇敌紧紧地追逐着他，同时仍有护卫的神站在他的身旁，所以他并不孤独。

4·We need to understand more of these attacks of the enemy upon our spirits and how to resist them.

今天我们需要知道仇敌怎样在我们的里面施行攻击，我们应当怎样去抵挡他。

5·So, Juliet: ' tis but thy name that is my enemy. Thou art thyself, though not a Montague.

朱丽叶说，只有你的名字才是我的仇敌，你即使不姓蒙太古，仍然是这样的一个你。

仇人

1·To some people, an enemy may be a prison, the behaviors of whom become the endless closed Windows of the prison that make them feel hatred and worries.

对有的人来说，一个仇人也是一座监狱，那人的一举一动都成了层层铁窗，天天为之而郁闷忿恨、担惊受怕。

2·Has he you enemy?

你跟他，不是仇人吗？

3·You talk to measured between two enemy, lest they be friends after you will be ashamed.

你在两个仇人之间说话要有分寸，以免他们和好后你将无地自容。——萨迪。

4·To live that way; make your friends is not an enemy, make your enemies become friends.

要这样生活；使你的朋友不致成为仇人，使你的仇人却成为朋友。

5·In the novel of the Scarlet Letter, Chillingworth becomes a devil tormenting his enemy crazily and without any pity from an honest, fair person, which has complex reasons.

在小说《红字》中，齐灵窝斯之所以由一个先前诚实、公正的人，变为毫无怜悯之心、疯狂折磨其仇人的恶魔，是有其复杂原因的。

仇

1·Or with any stone, wherewith a man may die, seeing him not, and cast it upon him, that he die, and was not his enemy, neither sought his harm.

或是没有看见的时候用可以打死人的石头扔在人身上，以致于死，本来与他无仇，也无意害他。

2·Or, without seeing him, drops a stone on him that could kill him, and he dies, then since he was not his enemy and he did not intend to harm him.

或是没有看见的时候用可以打死人的石头扔在人身上，以致于死，本来与他无仇，也无意害他。

3·You are nice friends, brothers which have overnight enemy.

你们是好朋友，兄弟哪有隔夜仇。

冤家

1·Peers may not be enemy. We should keep learning from each other and learn the advantage from them, then we can achieve greater progress!

同行并不一定是冤家，我们应该保持着互相学习的心态，海纳各家所长，才能获得更大的进步！

2·After many years, the two have met did not know, has become a joy enemy.

多年后，两人见面已不相识，却成了一对欢喜冤家。

对头

1·Mrs Merkel has always been the sworn enemy of class distinctions within the EU.

而默克尔一直以来是欧盟内各党团不共戴天的对头。

2·Once arrested Mr Hankton paid bail of $1m and, according to the district attorney’s (DA’s) office, shot another enemy in June 2009.

根据地方检察官办公室的报告，一度被拘捕的汉克顿先生在支付一百万美元保释金后，得以出狱。 而在2009年6月，他又枪杀了另一个对头。

3·He is a very great magician, and a great enemy of mine.

他是一个非常厉害的巫师，也是我的一个大对头。

(1)natural enemy天敌

(1)behind enemy lines深入敌后（影片名称）

(1)public enemy公敌；要犯

(1)sworn enemyn. 不共戴天的敌仇