want/demand/need/require.导航词义：需要

1. want:v. 需要.既可指需要某事物，也可指需要某人做某事，常可与 need 换用。

Children want/need plenty of sleep.

儿童需要大量的睡眠。

The house wants/needs repairing/to be repaired.

这房子需要修葺。

Do you want/need me to pick you up at the station?

你要我到车站接你吗？

2. demand:v. 需要.指为成功做成某事而需要某事物，其主语通常为事物，而宾语多为抽象名词。

Success demands persistence.

成功需要坚持。

The task demands professional knowledge.

这项任务需要专业知识。

An important meeting demanded his presence.

一个重要会议需要他出席。

3. need:v. 需要.最普通用词，指需要必不可少的东西或需要做某事，强调所需之物或需做之事的重要性。

The children need water and food.

孩子们需要水和食物。

The car needs repairing.

汽车需要维修。

I need to know what time it is.

我得知道现在几点了。

4. require:v. 需要.词义同 need，常可换用，但语气较弱。

The mastery of a language requires/needs painstaking effort.

要学好一种语言，必须下苦工夫。

This letter requires/needs to be answered at once.

此信需要立即回复。

These babies require/need careful looking after.

这些婴儿需要细心照看。

全部

1·Does Your Ladyship require anything?

夫人你需要点什么？《牛津词典》

2·All decisions would require unanimity.

所有决定都需要全体一致同意。《柯林斯英汉双解大词典》

3·He will require surgery on his left knee.

他的左膝需要做手术。《牛津词典》

4·Bitmapped maps require huge storage space.

位元映射地图需要巨大的存储空间。《柯林斯英汉双解大词典》

5·State clearly how many tickets you require.

说清楚你需要多少张票。《牛津词典》

6·We require grammar and spelling to be accurate.

我们要求语法与拼写正确无误。《柯林斯英汉双解大词典》

7·These pets require a lot of care and attention.

这些宠物需要悉心照顾。《牛津词典》

8·Please indicate clearly which colour you require.

请标明您要求的颜色。《牛津词典》

9·It will require positive action by all in the industry.

这将需要业内全体同人和衷共济。《牛津词典》

10·The new drug will not require a physician's prescription.

这种新药不需要医生的处方。《柯林斯英汉双解大词典》

需要

1·All decisions would require unanimity.

所有决定都需要全体一致同意。《柯林斯英汉双解大词典》

2·He will require surgery on his left knee.

他的左膝需要做手术。《牛津词典》

3·Bitmapped maps require huge storage space.

位元映射地图需要巨大的存储空间。《柯林斯英汉双解大词典》

4·State clearly how many tickets you require.

说清楚你需要多少张票。《牛津词典》

5·These pets require a lot of care and attention.

这些宠物需要悉心照顾。《牛津词典》

要求

1·We require grammar and spelling to be accurate.

我们要求语法与拼写正确无误。《柯林斯英汉双解大词典》

2·Please indicate clearly which colour you require.

请标明您要求的颜色。《牛津词典》

3·The rules also require employers to provide safety training.

这些规定也要求雇主们提供安全训练。《柯林斯英汉双解大词典》

4·The job will require you to use all your skills to the maximum.

这项工作将要求你最大限度地发挥你的技能。《牛津词典》

5·Such policies would require unprecedented cooperation between nations.

这样的一些政策会要求国与国之间前所未有的合作。《柯林斯英汉双解大词典》

需

1·Even outstanding musicians require constant practice.

既使是好乐师也需经常练习。《新英汉大辞典》

2·In the third scenario, you don't require a publishing step to move artifacts between authoring and run time on the same server.

在第三种方案中，您不需在同一台服务器上的编写门户和运行时门户间使用发布步骤移动构件。

3·But many still require human intervention: workers have to be sent out to download sensor readings or to fix problems.

但许多情况下这种系统仍需人工干预：派出工人去下载传感器的读数或去抢修故障。

4·Pockets of the commodity sector, such as Petrobras’s deepwater drilling, do require high levels of technical expertise.

商品领域的局部行业，如巴西石油公司的深海钻探，确需高水平的技术专长。

5·We have received your address from…a business acquaintance of ours in…who also informed us that you require a large amount of the items we manufacture.

我们已由…（公司名）得悉贵司的地址,该公司是我们在…(地名)的生意往来时结识的.其并告之我们,贵司正需大量蔽公司所制造的产品。

命令

1·Parents can request that their local school boards require all food and beverages served or sold at school to meet accepted nutritional standards.

家长可题要求当地的学校委员会命令所有的学校内售出的食品和饮料达到公认的营养标准。

2·Effective immediately, your licence to kill is revoked, and I require you to hand over your weapon.

你的杀人执照被撤销，立即生效，我命令你交出武器。

3·The instructors will continue to invite her to participate in specific activities but will not require her to participate.

老师们会继续邀请她参与具体的活动，但不会命令。

4·Effective immediately, your licence to kill is revoked, and I require you to hand over your weapon. Now. I need hardly remind you that you're still bound by the Official Secrets Act.

你的杀人执照被撤销，立即生效，我命令你交出武器。现在，我需要严厉的提醒你，你依然要遵守官方机密条例。