need
verb
noun
niːd verb
1 to have to have something or someone, because you cannot do something without them, or because you cannot continue or cannot exist without them 需要，必需; T not in progressive 不用进行式
You don’t really need a car.
你其实并不需要一辆车。
Plants need light in order to survive.
植物存活必须有光照。
The camcorder needs a new battery.
这台摄像机需要一节新电池。
Are you sure that you have everything you need ?
你确定需要的都有了吗？
need sth for sth
I need glasses for reading.
我看书要戴眼镜。
need sb to do sth
I need you to help me with the cooking.
我需要你帮我烧菜。
need sth desperately/badly/urgently
More blood donors are urgently needed.
迫切需要更多的献血者。
much needed/badly needed
a much needed boost to the local economy
对当地经济来说是迫切需要的一次推动
2 to feel that you want something very much 需要〔做某事〕 T not in progressive 不用进行式
I need a drink.
我需要喝一杯。
If you need anything, just say.
你需要什么，说一声就行。
need to do sth
She needed to go out for a walk.
她需要出去散散步。
3
need to do sth
used when saying that someone should do something or has to do something 必须做某事
He needs to see a doctor straightaway.
他必须马上去看医生。
I need to catch up on my office work.
我必须赶赶我的办公室工作了。
You need to let me know by Monday if you want to take part.
你得在星期一之前告诉我你想不想参加。
4 used in negative sentences when saying that something is not necessary or not always true [英]需要〔在否定句中表示“不必，未必”〕; modal 情态动词 | BrE BrE old-fashioned :
need not/needn’t
You needn’t stay long.
你不必呆很久。
Going to the dentist need not necessarily be a painful experience.
去看牙医未必就是件痛苦的事。
need not have done sth/need not do sth
You needn’t have spent all that money.
你本可以不花那么多钱的。
I needn’t have worried.
我本来是不必担心的。
need I/we etc do sth
Need we leave so soon?
我们一定要那么快就走吗？
sb need never do sth
Jim need never find out what I said.
吉姆根本用不着知道我说了些什么。
5 used when saying that something should have something done to it, or has to have something done to it 需要〔对某物做某事〕 T
sth needs doing
The house needed painting.
这房子得粉刷了。
Does this shirt need ironing?
这件衬衫需要熨烫吗？
sth needs to be checked/cleaned/done etc
The engine will need to be completely checked.
这台发动机需要彻底检查一下。
The pie doesn’t need to be refrigerated.
这馅饼不需要冷藏。
need a (good) wash/clean/cut etc (ought to be washed, cleaned etc) 需要（好好）洗洗/打扫/修剪等
His hair needs a wash.
他的头发该洗洗了。
6 if a job needs a quality or skill, you must have that quality or skill in order to do it well 要求，需要〔某种素质或技能〕 T
The job needs a lot of patience.
做这份工作需要很有耐心。
Being a teacher needs a high level of motivation.
当老师需要很高的积极性。
7
I need hardly say/tell/remind etc
used when you think people should already know what you are going to say [英] 不用我说/告诉/提醒等 BrE
I need hardly remind you that this information is confidential.
这些信息是保密的，这就不用我提醒了。
8
you need only do sth/all you need do is …
used when saying that you only have to do something in order to do something else [英] 你只需要做某事/你所要做的只是… BrE
We need only look at the building to see how much money it will take to repair.
我们只要看一下那栋楼，看看要花多少钱修理。
All we need do is threaten them.
我们要做的就是威胁他们。
9
need I ask/need I say more/need I go on etc?
used to say that it is not necessary to say more or ask about something, because the rest is clear [英] 这还用问？ 我还有必要说下去吗？ BrE
She’s lazy, slow, and stubborn. Need I say more?
她懒惰、迟钝、顽固。 还要我说下去吗？
10
that’s all I need/that’s just what I didn’t need
10. used when saying that you did not want something to happen, especially when it seems annoying [口] 〔不喜欢的事〕偏偏发生了 spoken
‘There’s a customer for you on the phone.’ ‘That’s all I need!’
“有个顾客打电话找你。”“偏偏在这个时候呀。”
11
need sth like a hole in the head
11. used when saying that you definitely do not need something [非正式] 肯定用不着某物 informal
12
who needs it/them?
12. a. used to say you are not interested in something b. used to say that someone or something is actually very important to you 非常重要 spoken
Make-up, who needs it?
化妆品，才没有人需要呢！
Kids? Who needs them!
孩子？ 他们可太重要了！
Kids? Who needs them!
孩子？ 他们可太重要了！
13
need to do
You can say that you something. 可以说 need to do something
I need to clean (NOT 不说 I need clean) the house.
我得打扫一下房子了。
14
need done need doing
If someone else is going to do something for you, you can say that you something or something . 如果别人要为你做某事，你可以说 need something done 或 need something doing
I need my car fixed urgently.
我的车急需修理。
You need your head examining!
你该去检查一下你的脑子！
15
needs doing needs to be done
When you are talking about the object that is going to have something done to it, you can say that it something or something . 当说到需要对某物做某事时，可以说 it needs something doing 或 needs something to be done
My hair needs cutting.
我的头发该理理了。
That box needs to be moved (NOT 不说 needs moved) .
那个箱子需要挪一下。
16
don’t need to do needn’t do
You can say that you something or something. 可以说 don’t need to do something 或 needn’t do something
I don’t need to leave (NOT 不说 don’t need leave) until 10.
我不必在 10 点以前走。
You needn’t apologize (NOT 不说 needn’t to apologize) .
你不必道歉。
17
need not must not
means that it is not necessary to do something. Do not use it to mean (=are not allowed to). need not的意思是“不必”做某事，不要用它来表示 must not（不准）的意思
You needn’t take any money.
你不必带钱。
You mustn’t take any sharp objects on the plane.
你不准携带任何尖锐物品上飞机。
18
needn’t have didn’t need to didn’t have to
means that it was not necessary for someone to do something that they in fact did. Do not use it to mean or (=something was not necessary). need’t have 意为某人“本不该”做某事，不要用它来表达 didn’t need to 或 didn’t have to（不必）的意思
We needn’t have ordered so much food.
我们本不该点这么多吃的。
I didn’t need OR didn’t have to tell him who I was – he already knew.
我没有必要告诉他我是谁 — 他已经知道了。
19
a need for a need to do
The most common noun patterns are something and something. 最常用的名词句型是 a need for something 和 a need to do something
her need for friendship
她对友谊的需要
a need to preserve the environment
有必要保护环境
20
there is a need a need for
Say 要说 there is a need, not 而不说 ‘it is a need’. Say 要说 a need for, not 而不说 ‘a need of’
There is a desperate need for cash.
急需现金。
We are in need of funds (NOT 不说 We have a need of funds) .
我们需要资金。
noun
21 a situation in which something is necessary, especially something that is not happening yet or is not yet available 需要，需求 singular 单数
[+ for ]
Managers should explain the need for change.
经理们应该解释一下为何需要作出变动。
There’s an urgent need for more nurses.
迫切需要更多护士。
There’s a growing need for new housing in many rural areas.
许多乡村地区对新住房的需求不断增长。
a need to do sth
We fully recognize the need to improve communications.
我们充分意识到需要改善通讯。
stress/emphasize/underline etc the need (for sth)
She stressed the need for regular meetings.
她强调了定期开会的必要性。
Training courses are held in London as the need arises (=whenever it is necessary) .
必要时在伦敦开办培训课程。
I’ll work all night if need be (=if it is necessary) .
如果需要，我会通宵工作。
22 a strong feeling that you want something, want to do something, or that you must have something 特别需要，迫切需求 singular 单数, U
[+ for ]
the need for job satisfaction
需要工作带来的满足感
feel the need (to do sth)
Jack did not feel the need to boast about his success.
杰克觉得没必要吹嘘自己的成功。
You’re welcome to come back and talk any time, if ever you feel the need.
只要你觉得有必要，随时欢迎你回来谈谈。
23 what someone needs to have in order to live a normal healthy comfortable life 生活必需品 C usually plural 一般用复数
She works to provide for her family’s basic needs .
她工作是为了维持家里的生计。
sb’s needs
Environmentalists argue that the organization fails to address the needs of third world farmers.
环境保护主义者认为该组织没有着手解决第三世界国家农民的需求问题。
meet/satisfy a need (provide something that people want or need) 满足需要
The charity exists to meet the needs of elderly people.
该慈善机构的存在是为了满足老年人的需要。
Schools must satisfy the needs of their pupils.
学校必须满足学生的需要。
We have loans to meet your every need .
我们有可以满足您各种需要的贷款方式。
24
there’s no need (for sb) to do sth
a. used to say that someone does not have to do something b. used to tell someone to stop doing something [口] 不要做某事 spoken
There’s no need for you to come if you don’t want to.
如果你不想来，就不必来了。
There’s no need to feel sorry for him.
没必要为他觉得难过。
There’s no need to shout!
别大声喊叫！
25
be in need of sth
a. to need help, advice, money etc, because you are in a difficult situation b. to need to be cleaned, repaired, or given attention in some way 需要〔清洗、修理、留心等〕
This project is in urgent need of funding.
这项目急需资金。
He is homeless and in desperate need of help.
他无家可归，迫切需要帮助。
The church was in dire (=very great) need of repair.
这座教堂急需修缮。
26
have no need of sth
to not need something 不需要某事物
She believes him and has no need of further proof.
她相信他，不需要他进一步证明什么。
27 when you do not have enough food or money 〔食物或金钱的〕短缺，困窘 U
cases of severe need in the inner cities
旧城区中食物严重短缺的现象
in need
We must care for those in need.
我们必须关心那些生活困难的人。
28
in your hour of need
when you are in trouble and need someone to help you 处于困境时，患难时
How could she abandon her father now, in his hour of need?
父亲现在遇到了困难，她怎能弃之不顾呢？