protect/defend/guard/shield.导航词义：保护，保卫

1. protect:v. 保护，护卫.普通用词，指采取手段使某人不生病或某物不受损害等。

Physical exercise can protect you against the flu.

体育锻炼可以预防流感。

What shall I do to protect my car against rust?

怎样才能防止汽车生锈？

She closed the window to protect the books from the rain.

她关上窗户防止雨水把书淋湿。

2. defend:v. 保护，保卫.通常指用武装力量保护，使某人、某物、某处免受袭击。

The Great Wall was once used to defend against military aggression.

长城曾用来防御军事侵略。

He was sent to defend the border three years ago.

3年前他被派去守卫边疆。

3. guard:v. 保卫，守卫.指警惕地守护以防止造成伤害、损失等。

The command told those two soldiers to guard the entrance.

指挥官叫那两名士兵守着入口。

A lioness guarded her cubs.

一头母狮守护着幼狮。

4. shield:v. 保护，保卫.通常指保护人、企业等免受伤害或损失。

import tariffs that shield enterprises from foreign competition

保护企业免受外国竞争威胁的进口关税

His wife lied to shield him when she took the stand.

他的妻子在出庭作证的时候为保护他而撒了谎。

She drew the curtains, shielding her eyes from the sun.

她拉上窗帘，使眼睛免受阳光照射。

全部

1·He has hired a lawyer to defend him against the allegation.

他已聘请一位律师为他所受的指控辩护。《柯林斯英汉双解大词典》

2·Most people with property to lose were resolved to defend it.

大多数有财产的人都坚决地捍卫它。《柯林斯英汉双解大词典》

3·The newspaper continues to defend its publication of the photographs.

这家报纸继续为刊登这些照片辩护。《牛津词典》

4·Don't defend him any more.

不要再为他辩护了。

5·Now that you are able to take up arms and defend your motherland.

你现在能够披坚执锐，保卫祖国了。

6·The army will do whatever it takes to defend the motherland against any invasion.

军队将不惜一切代价保卫祖国不受任何侵略。

7·Now that you are able to take up arms and defend your motherland, we are all proud of you.

你现在能够披坚执锐，保卫祖国，我们都为你感到自豪。《新英汉大辞典》

8·While these are honorable schemes, it makes it harder for Burberry to defend these latest figures.

尽管这些计划值得赞誉，但却使博柏利更难为这些最新数字进行辩护。

9·At this time, too, the judge will appoint a court lawyer to defend the suspect if he can't afford one.

在这个时候，如果他请不起律师的话，法官也会指定一名法庭律师来为嫌疑人辩护。

10·State and defend your opinion, analyze the issues, speculate about how things might have turned out differently.

陈述并捍卫你的观点，分析问题，思考事情可能会有怎样的不同结果。

保护

1·Mating blackbirds will defend their territory against intruders.

乌鸫交配时会保护自己的地盘，不允许外来者侵入。《牛津词典》

2·The dead are gone and they cannot defend themselves.

逝者已逝，他们无法保护自己。

3·In the electronic world, all of us are on our own, and each of us has to defend ourselves.

在电子世界中，我们所有的人都要靠我们自己，而且我们每个人都必须保护我们自己。

4·Aggression is a kind of innate survival mechanism, an instinct for self preservation, that allows animals to defend themselves from threats to their existence.

攻击性是一种天生的生存机制，一种自我保护的本能，使动物能够保护自己不受生存威胁。

5·So I would ask you to please think of ways you can be there for everyone who is making this journey to defend not only human rights globally, but to truly defend themselves and their rights.

因此，我想要求你们——请想一想办法，你们不仅能够在世界范围内帮助走向这条道路以捍卫自己权利的人，也能真正保护他们以及他们的权力。

捍卫

1·Most people with property to lose were resolved to defend it.

大多数有财产的人都坚决地捍卫它。《柯林斯英汉双解大词典》

2·State and defend your opinion, analyze the issues, speculate about how things might have turned out differently.

陈述并捍卫你的观点，分析问题，思考事情可能会有怎样的不同结果。

3·Black communities spoke up to defend the rights of all people of colour.

黑人社团为捍卫所有有色人种的权利大声疾呼。《柯林斯英汉双解大词典》

4·The country should have the right to defend itself with all legal means at its command.

这个国家应该有权动用它所掌控的所有法律手段来捍卫自己。《柯林斯英汉双解大词典》

5·The walls of Lugo were built to defend the Roman town of Lucus.

卢戈的城墙是为捍卫罗马镇卢卡斯而建。

保卫

1·Now that you are able to take up arms and defend your motherland.

你现在能够披坚执锐，保卫祖国了。

2·Now that you are able to take up arms and defend your motherland, we are all proud of you.

你现在能够披坚执锐，保卫祖国，我们都为你感到自豪。《新英汉大辞典》

3·Our duty is to defend the country against its enemies.

我们的职责是保卫国家不受敌人侵犯。

4·We shall fight in France, we shall fight on the seas and oceans, we shall fight with growing confidence and growing strength in the air, we shall defend our island, whatever the cost may be.

我们要与法兰西做斗争，我们要继续在海面上战斗，我们要为弥漫在空气中不断增长的自由和强大意识斗争，我们要保卫我们的岛屿，不管付出什么代价。

5·We must defend our motherland from the enemy.

我们必须保卫祖国防御进犯之敌。

辩护

1·The newspaper continues to defend its publication of the photographs.

这家报纸继续为刊登这些照片辩护。《牛津词典》

2·Don't defend him any more.

不要再为他辩护了。

3·It's the understanding that he can make things happen in the world; he can defend himself against his father's punishment through the use of words.

这是一种理解，他可以让事情发生在世界上；他可以用语言来为自己辩护，使自己免受父亲的惩罚。

4·He has employed one of the UK's top lawyers to defend him.

他请了英国一位顶尖律师为他辩护。《牛津词典》

5·They find it hard to defend themselves.

他们发现很难为自己辩护。

防守

1·We did not defend properly and we were punished for it. I have to see it again, but yes Sczesny certainly looks disappointed.

这是对我们没有适当防守的应有惩罚，我会再看看录像回放，但毫无疑问斯泽斯尼看上去对失球感到非常的失望。

2·Can this team defend?

这支球队防守如何？

3·We always find it hard to beat Sporting because they defend very well and have an intense ground where the fans help them a lot.

我们经常赢不了希洪，因为他们的防守很优秀，而且热情的主场球迷也给了他们很多支持。

4·GOALKEEPERS are not temperamentally aggressive; their job is to defend.

门将从性格上来说并不好斗；他们的任务是防守。

5·Solider is the assault class, there you aim to defend and capture points.

士兵是攻击型职业，他的目标是防守、占据据点。

防卫

1·Both men were too inebriated to defend themselves but managed to land blows on each other. Before long they were both gushing blood.

两人都醉得太厉害，只知把拳头打到对方身上，而不知防卫自己，不久他们身上便淌下血来。

2·For years after the cold war ended, NATO's threat assessment, contained in a document known as MC 161, saw no Russian threat; that is why there are few contingency plans to defend new Allies.

冷战结束后的多年来，包含于一份名叫MC 161的文件中的北约威胁评估认为俄罗斯不构成威胁；这就是为什么几乎没有任何防卫新近加入成员国的应急计划。

3·Analysts say Uganda and Ethiopia could no more restrict the Nile's flow than Egypt could invade and defend it.

分析家认为，乌干达和埃塞俄比亚不会限制尼罗河的流向，正如埃及不会侵扰周边或进行过度防卫那样。

4·Their biggest concern is NATO, where officials are meant to be drafting contingency plans to defend Estonia, Latvia and Lithuania.

他们最大的担心在北大西洋公约组织，那里的官员们正打算起草防卫爱沙尼亚，拉脱维亚以及立陶宛的应急措施。

5·We should start with the premise that the United States, like all sovereign nations, has the unilateral right to defend itself against attack.

我们应该首先假定，美国，像其它主权国家一样，拥有单方面的权利来防卫自己免受袭击。

防护

1·That means we want to defend the integrity of our territorial sovereignty.

我们希望能够防护我们领土主权的完整性。

2·How to defend yourself?

如何防护自己？

3·Lords will also choose how to upgrade and defend their fortress, with reinforced walls or doors, and NPC guards.

领主可以选择如何升级和防护他们的要塞，比如加固城墙或者城门、增加NPC守卫等。

4·But I will defend you to the best of my ability.

但是我将对我的能力最好防护你。

5·Construction design, demarcate, seal and defend is proceeded, and the strain change principle along with the pressure is matched basically with the real practice.

对压力传感器进行了结构设计、标定、密封与防护，标定的应变随压力的变化规律符合生产实际的规律。

防

1·His long arms, mobility, skill, and smarts enable him to defend any position from one through three, and he can function as a small-ball four against certain opponents.

长胳臂，移动性，技巧，聪明使他能从1号位防到3号位，他能在遭遇某些对手时打一大四小的小球。

2·The children of the United States defend socks in the pillow side at Christmas, their fathers return to make a pretense of Santa Claus to put a gift in wear some socks.

美国的孩子们在圣诞节把袜子防在枕头边，他们的爸爸回装做圣诞老人把礼物放在着些袜子里面。

3·Los Angeles Lakers They should be better with a healthy Andrew Bynum, but can Odom defend at small forward?

拜纳姆应该可以健康的回来了吧，只是，奥多姆能防住小前吗？

4·You may credit George Karl's decision to defend Kobe Bryant with Kenyon Martin, who is both rugged and preternaturally quick for his size.

也许当卡尔教练利用马丁去防科比时，你还对这一招大加赞赏。

5·It is widely used to improve mechanical properties of iron-based powder metallurgy parts, defend causticity and air sealing by high-temperature steam treatment.

高温水蒸汽处理在提高铁基粉末冶金零件力学性能、防腐蚀性及气密封性等方面得到了广泛的应用。

守

1·It has no land to defend; no police to enforce law and order; it does not have subjects, bound by a clear cluster of rights, obligations and cultural signals.

这里无疆可守、无警力强制执行法律和命令；甚至无一套清晰权责与文化特征约束的国民。

2·We got this result to defend by attacking. We can not go there [Copenhagen] just to defend the result.

我们正是采取以攻为守的战略才取得了这样的结果，我们到那之后不能想着只靠防守来守住现在的结果。

3·Also does not have the direction also not to have the fantasy again, I thought defend in ancient times, hoped to forget that forgot this to be at a loss sadly, forgot once promised desire.

再也没有方向也没有幻想，我思守到地老天荒，但愿忘记那忧伤忘记这迷惘，忘记曾许下的愿望。

4·The finance defend is an activity that the bank(or other financial enterprise ) transports the coin.

金融守押指的是银行（或其他金融企业）对钱币进行运送的一项活动。

5·Nobody is not reluctant to part with you Yan Rong. you the bright eye is towing me, will let me defend in the dreamland looks into the distance from a high place the future.

没有人不留恋你的颜容。你明亮的眼睛牵引着我，让我守在梦乡眺望未来。

(1)defend oneself自卫；申辩；自行辩护

(1)defend against防卫，保卫；抵抗

(1)defend with用…防卫