n. 1.必要,需要。 2.缺乏,不足。 3.需求；需用的东西。 4.危急的时候,一旦有事的时候。 5.贫穷。 短语和例子 There is no need for [of] hurrying ＝There is no need to hurry. 不用着急。 There is a great need of money. 急需要钱。 A friend in need is a friend indeed. 患难朋友才是真朋友。 He is in great need. 他穷得很。 at (one's) need 在紧急时 (be good at need 在急需的时候有用)。 be in need of 需要。 do one's needs 〔俚语〕解大[小]便,解溲,撒尿。 had need (to) (do) 必须… (I have need to go to town. 我必须进城)。 have no need of 不需要。 If need be [were] 如果必要的话。 in case [time] of need 在紧急的时候,万一有事时。 stand in need of 需要。 vt. 要,需要,必须,有…的必要。 This house needs repair. 这个房子要修理了。 He needs to go. 他必须去。 Does he need to know？ 有告诉他的必要吗？ vi. 1.生活贫困。 2.〔古语〕需要〔主要用于无人称句〕。 短语和例子 It needs not. 不需要。 more than needs 超过需要。 There needs no apology. 用不着辩解。 Give to those that need. 救济贫困者。
不得不,必须。 1.★在否定句或疑问句中,第三人称现在时单数也不加 s； 过去时用 had to 来代替,将来时用 will (或 shall) have to 来代替。 need not (〔口语〕 needn't) 相当于 must 的否定形式。 如: He need not come. 他不必来。 N- she go 她必须去吗？ It need hardly be said that …简直用不着说。 2.She need not go. 这句话,口语常说作 She doesn't need [have] to go.
the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior; "we did not understand his motivation"; "he acted with the best of motives" 同义词：motivation, motive,
anything that is necessary but lacking; "he had sufficient means to meet his simple needs"; "I tried to supply his wants" 同义词：want,
a condition requiring relief; "she satisfied his need for affection"; "God has no need of men to accomplish His work"; "there is a demand for jobs" 同义词：demand,
a state of extreme poverty or destitution; "their indigence appalled him"; "a general state of need exists among the homeless" 同义词：indigence, penury, pauperism, pauperization,
have need of; "This piano wants the attention of a competent tuner" 同义词：want, require,
have or feel a need for; "always needing friends and money"
require as useful, just, or proper; "It takes nerve to do what she did"; "success usually requires hard work"; "This job asks a lot of patience and skill"; "This position demands a lot of personal sacrifice"; "This dinner calls for a spectacular dessert"; "This intervention does not postulate a patient''s consent" 同义词：necessitate, ask, postulate, require, take, involve, call for, demand,
A need is something that is necessary for organisms to live a healthy life. Needs are distinguished from wants because a deficiency would cause a clear negative outcome, such as dysfunction or death.
例句与用法
1.
Most of all, they needed new products . 最重要的是，他们需要新产品。
2.
My watch has stopped -- it needs fixing . 我的表停了需要修理了。
3.
You need more protein to build you up . 你需要增加蛋白质以增强体质。
4.
The wiring is faulty and needs to be replaced . 配线坏了，需要更换。
5.
The piping outside the house needs painting . 室外的管道需要油漆了。
6.
The blind do not always need our help . 盲人并不经常需要我们的帮助。
7.
A friend in need is a friend indeed . 患难中的朋友，才是真正的朋友。
8.
We need a man of his cut in this firm . 我们公司里需要他那类型的人。
9.
I need to get your slant on the situation . 请说说您对于情况的意见。
10.
You will need an injection every four hours . 你要每隔四小时打一针。
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