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·A guard zapped him with the stun gun.

一名警卫用眩晕枪击中了他。《柯林斯英汉双解大词典》

2·A guard was posted outside the building.

建筑物外设了一名警卫。《牛津词典》

3·On the platform, the guard blew his whistle.

站台上，警卫吹响了他的哨子。《柯林斯英汉双解大词典》

4·He spent part of the war in the National Guard.

他战时在国民警卫队服役了一段时间。《柯林斯英汉双解大词典》

5·He was caught trying to impersonate a security guard.

他假扮警卫被抓获。《牛津词典》

6·The escaped prisoner was brought back under armed guard.

越狱逃犯由武装警卫押回。《牛津词典》

7·Ensure the guard is in place before operating the machine.

一定要在防护装置放到位后再开机器。《牛津词典》

8·Three men were arrested and one was under guard in a hospital.

有三人被捕，一人在医院里受到监视。《柯林斯英汉双解大词典》

9·The city had arranged for the National Guard to be brought in.

该市已筹划调入国民警卫队。《柯林斯英汉双解大词典》

10·Security cameras have been installed to guard against poachers.

已经安装了安防摄像机来防范偷猎者。《柯林斯英汉双解大词典》

警卫

1·The escaped prisoner was brought back under armed guard.

越狱逃犯由武装警卫押回。《牛津词典》

2·We were locked in the paddy wagon while our guard watched a feeble pro-Qaddafi protest.

我们被锁在囚车里，而我们的警卫则看着一场支持卡扎菲的微弱抗议。

3·The dig continues inside the guard room.

在警卫室内，挖掘工作继续着。

4·Outside, on the street, a guard flags a cab for Angelique.

出来外面，一个警卫为安吉丽在街上招了一辆的士。

5·But when I took out my camera a security guard began Shouting, before marching me off the premises.

但是当我拿出照相机，一个警卫就开始朝我叫喊，后来又把我赶出了教堂的范围。

后卫

1·The guard rebounded off the backboard.

后卫抢到篮板弹回的球。

2·But why trade for another young point guard when you already have a commodity who's proven himself in Goran Dragic?

但是在你已经拥有了年轻的德拉季奇之后为什么还要交易来另一个年轻的控球后卫？

3·If you are a small guard, then be careful, for Smith will block your ball far away each time you shoot.

如果你是个小个后卫，那么当心了，史密斯会把你的每次投篮都扇得老远。

4·A basketball lifer, Jerry was as relentless in his will to win on the sidelines for the Utah Jazz as he was as an All-Star guard for the Chicago Bulls.

他的一生都贡献给了篮球，年轻时他是芝加哥公牛队的全明星后卫，后来他在犹他爵士队的场边兢兢业业，希望帮球队获得胜利。

5·While, guard Ding Jinhui is back from injury.

同时，后卫丁锦辉伤愈重返赛场。

保护

1·Personal grievance procedures were designed to guard the jobs of ordinary workers from unjustified dismissals.

个人申诉程序旨在保护普通劳动者免遭“不正当解雇”。

2·The ability to guard customer data is the key to market value, which the board is responsible for on behalf of shareholders.

保护客户数据的能力是市场价值的关键，董事会代表股东对市场价值负责。

3·Encryption is one way to guard privacy.

加密是一种保护隐私的方法。

4·If the root user reads data from the guard point, data is not decrypted, and the action is logged for audit.

如果根用户从保护点读取数据，那么数据将不被解密，并且会记录该操作用于审计。

5·That we can show the world how we can guard ourselves from this deep economic crisis.

我们能够向世界显示，我们可以保护自身不受这场深重的经济危机的打击。

守卫

1·Halim flashed his official card, and managed to get hold of a soldier to guard the Land Rover.

哈利姆亮了他的证件，并设法找来一名士兵守卫那辆路虎越野车。《柯林斯英汉双解大词典》

2·In this example, the only difference between the two patterns is the guard expression, but that's enough for the compiler to differentiate them.

在这个例子里，两个模式的唯一区别就是这个守卫表达式，但是这样足够编译器来区分它们了。

3·Decisions and guard conditions allow business analysts to show alternative paths in a business use case workflow.

决定和守卫条件允许业务分析师在业务用例流程中展示不同的路径。

4·Decisions each have a defined set of guard conditions.

每一个决定都已一套明确定义的守卫条件。

5·How could you not feel a responsibility to guard it?

你又怎么会没有想要守卫这片土地的责任感？

守护

1·The males guard their mates zealously.

雄性动物热情地守护它们的交配对象。《柯林斯英汉双解大词典》

2·Four soldiers stood guard over the coffin.

有四名士兵守护灵柩。《牛津词典》

3·Now her fate would help to guard it also.

现在她的命运也会帮助守护它。

4·Nothing, precious, she said; they are the eyes a mother leaves behind her to guard her children.

“不会的，宝贝，”她说；“它们是母亲留在身后守护孩子的眼睛。”

5·Families are among the smallest in history, which means our genetic eggs are in fewer baskets and we guard them all the more zealously.

家庭是社会历史最小的单位之一，这意味着盛装我们基因之卵的篮子更少，我们当然会守护得更加热切。

看守

1·He escaped by passing himself off as a guard.

他伪装成看守人而得以脱逃。《牛津词典》

2·Mr. Ying is well-known for his portrayal of a prison guard in the film The Last Emperor.

英先生因在《末代皇帝》中扮演一个监狱看守而出名。《柯林斯英汉双解大词典》

3·He believes that the real reason hospitals jealously guard medical records is they don't want to open themselves up to second-guessing from patients-or patients' lawyers.

他相信，医院戒备森严地看守医学记录的真正原因是他们自己不想公开，免遭病人或病人律师的事后批评。

4·I used my imagination more, read books and watched documentaries, and I talked to a prison guard.

我更多是运用想象力，读书和看纪录片，我也和监狱看守聊天。

5·And when we came to Rome, the centurion delivered the prisoners to the captain of the guard: but Paul was suffered to dwell by himself with a soldier that kept him.

进了罗马城，(有古卷在此有百夫长把众囚犯交给御营的统领惟有)保罗蒙准，和一个看守他的兵，另住在一处。

卫兵

1·Sleeping with a straight body, with arms at each side, as if they are standing guard at Buckingham Palace, indicates stubbornness.

如果人们睡觉时身体笔直，两条手臂各放一侧，姿势就像站在白金汉宫的卫兵一样，这表示这个人性格执着顽固。

2·If you want to see the Changing of the Guard ceremony, get to the Castle grounds at 11. During the summer it happens every day, if the weather is good.

如果你想看卫兵换岗仪式，11点就到城堡场地。在夏天，如果天气好，每天都有换岗仪式。

3·They rushed the guard at the gate.

他们向大门口的卫兵猛冲过去。

4·He seemed like a guide to his son; a guard, a friend.

他看上去更像是儿子的一个指导员、一个卫兵、一个朋友。

5·A guard opened the door.

一个卫兵打开房门。

保卫

1·That's because sharks are territorial and tend to guard their territory.

这是因为鲨鱼有领地意识，往往会保卫它们的领地。

2·This is perhaps why Poland has been quickest to embrace shale gas; it trusts Russia as it would trust a bear to guard a picnic hamper.

这也许就是为什么波兰成为最快接受页岩天然气开发的国家。相信俄罗斯，那就是相信一头熊也能保卫野餐篮。

3·It was convenient for him to be able to point to the border incident over the tree as evidence of the need for his guerrillas to resist Israel and guard Lebanon's holy soil.

这很方便让他把这次因为一棵树导致的越境事件作为证据，证明其游击队“反击以色列”和保卫“黎巴嫩神圣国土”的必要性。

4·Unfortunately, the GST requires the agreement of India's states, which guard their revenue-raising powers jealously.

不幸的是，商品及服务税(GST)要求印度各邦的同意，而各邦都谨慎地保卫各自的税收征收权。

5·Fishermen meanwhile used them to recover lost nets and guard boats.

此外，当地渔民还利用水犬寻回遗失的渔具和保卫船只。

警卫队

1·Convinced his friend would survive, he told the coast guard where they parted.

确信自己的朋友能存活后，他告诉海岸警卫队他们是在哪里分开的。

2·The victims were believed to be Albanians from either Albania or Kosovo, said authorities from Italy's tax police division, which, along with the coast guard, patrols the nation's coast.

意大利税务警察部门和海岸警卫队一起在意大利海岸巡逻。该部门的官员们表示，遇难者据信是来自阿尔巴尼亚或科索沃的阿尔巴尼亚人。

3·The city had arranged for the National Guard to be brought in.

该市已筹划调入国民警卫队。《柯林斯英汉双解大词典》

4·The U.S. Coast Guard says it rescued more than 100 Haitian refugees.

美国海岸警卫队称他们营救了一百多名海地难民。《柯林斯英汉双解大词典》

5·The Coast Guard needs to decipher garbled messages in a few minutes.

海岸警卫队需要在几分钟内破译含混不清的讯息。《柯林斯英汉双解大词典》

(1)guard against防止；提防

(1)on guard警惕；站岗

(1)mount guard上岗；执勤；看管

(1)point guard控球后卫，组织后卫

(1)security guard保安人员

(1)coast guard海岸警卫队队员；海岸巡逻队队员