reason
- n.原因;理由;解释;理性;道理;正当理由;情理;理解力;思考力
- v.推理;理解;思考;推断;推论
复数： reasons 过去式： reasoned 现在分词： reasoning 过去分词： reasoned 第三人称单数： reasons
reasonnoun
原因；理由；解释
a cause or an explanation for sth that has happened or that sb has done
I'd like to know the reason why you're so late.
我想知道你为什么迟到那么长时间。
We aren't going for the simple reason that we can't afford it.
我们不去，只是因为我们负担不起。
She gave no reasons for her decision.
她没有对她的决定作出任何解释。
I have no particular reason for doubting him.
我没有什么特别的理由怀疑他。
He said no but he didn't give a reason .
他说不行，但没有说明原因。
Give me one good reason why I should help you.
我为什么要帮你？给我一个充分的理由。
For some reason (= one that I don't know or don't understand) we all have to come in early tomorrow.
出于某种原因，我们大家明天都不得不早点来。
The man attacked me for no apparent reason .
那个人不知何故攻击我。
She resigned for personal reasons .
她出于个人原因而辞职。
For reasons of security the door is always kept locked.
为了保证安全，门总是锁着的。
He wants to keep them all in his office for reasons best known to himself .
他想把他们都留在他的办公室里，原因只有他自己知道。
people who, for whatever reason , are unable to support themselves
那些因为种种原因不能自立的人
‘Why do you want to know?’ ‘ No reason. ’ (= I do not want to say why)
“你为什么想知道？”“不为什么。”
‘Why did she do that?’ ‘She must have her reasons (= secret reasons which she does not want to tell) .’
“她为什么那么做？”“她一定有她的理由。”
He was excused by reason of (= because of) his age.
他因为其年龄而得到原谅。
正当理由；道理；情理
a fact that makes it right or fair to do sth
They have reason to believe that he is lying.
他们有理由认为他是在撒谎。
We have every reason (= have very good reasons) to feel optimistic.
我们完全有理由感到乐观。
This result gives us all the more reason for optimism.
这个结果使我们更有理由保持乐观。
She complained, with reason (= rightly) , that she had been underpaid.
她抱怨给她的报酬太低，是有道理的。
思考力；理解力；理性
the power of the mind to think in a logical way, to understand and have opinions, etc.
Only human beings are capable of reason (= of thinking in a logical way, etc.) .
只有人类才有理性思考的能力。
to lose your reason (= become mentally ill)
神经失常
道理；情理；明智
what is possible, practical or right
I can't get her to listen to reason .
我没法跟她讲道理。
Why can't they see reason ?
他们为什么不明事理？
to be open to reason (= to be willing to accept sensible advice)
愿意听好言相劝
He's looking for a job and he's willing to do anything within reason .
他在找工作，而且只要是正当的事他都愿意做。
it must be clear to any sensible person who thinks about it
这是明摆着的，你不给他们足够的报酬，他们就走人。
It stands to reason that they'll leave if you don't pay them enough.
if there is no rhyme or reason to sth or it happens without rhyme or reason , it happens in a way that cannot be easily explained or understood
verb
推理；推论；推断
to form a judgement about a situation by considering the facts and using your power to think in a logical way
She reasoned that she must have left her bag on the train.
她断定准是把包落在火车上了。
They couldn't fire him, he reasoned. He was the only one who knew how the system worked.
他分析他们不会解雇他。他是唯一知道这套系统如何运转的人。
思考；理解
to use your power to think and understand
the human ability to reason
人的思考能力
通过思考想出对策
to try and find the answer to a problem by using your power to think in a logical way
和某人讲道理；规劝
to talk to sb in order to persuade them to be more sensible
I tried to reason with him, but he wouldn't listen.
我尽量跟他讲道理，可他就是不听。
These are all words for a cause or an explanation for sth that has happened or that sb has done.以上各词均指事情发生或做某事的原因、理由、解释。
a cause or an explanation for sth that has happened or that sb has done; a fact that makes it right or fair to do sth指某事发生或做某事的原因、理由、解释、正当理由、道理：
He said no but he didn't give a reason.
他说不行，但没有说明原因。
( rather formal ) a good or true reason for saying, doing or believing sth指说、做或相信某事的充分理由、根据：
You have no grounds for complaint.
你没有理由抱怨。
a reason, either true or invented, that you give to explain or defend your behaviour; a good reason that you give for doing sth that you want to do for other reasons指为自己行为所作的辩护、借口、理由：
Late again! What's your excuse this time?
又迟到了！你这次有什么借口？
It gave me an excuse to take the car.
这使我有理由开车去了。
a reason that explains sb's behaviour指动机、原因：
There seemed to be no motive for the murder.
这起谋杀案看不出有什么动机。
(usually used in negative statements) a good reason to do sth（常用于否定句）指必须、需要：
There is no need for you to get up early tomorrow.
你明天不必早起。
( rather formal ) a good reason why sth exists or is done指事物存在或做某事的正当理由：
I can see no possible justification for any further tax increases.
我看不出还能提出什么理由再加税了。
Justification is used to talk about finding or understanding reasons for actions, or trying to explain why it is a good idea to do sth. It is often used with words like little , no , some , every , without , and not any . Grounds is used more for talking about reasons that already exist, or that have already been decided, for example by law. moral/economic grounds |
( rather formal ) a reason for having particular feelings or behaving in a particular way指某种感情或行为产生的原因、动机、缘故：
There is no cause for alarm .
不必恐慌。
( rather formal ) a false reason that you give for doing sth, usually sth bad, in order to hide the real reason指为掩盖做某事（通常为不好的事）的真正理由而找的借口、托词：
He left the party early on the pretext of having to work.
他借口有事要处理，早早离开了聚会。
reason
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1
N-COUNT 原因；理由；动机
The reason for something is a fact or situation which explains why it happens or what causes it to happen.There is a reason for every important thing that happens...
每件重要事情的发生都有原因。
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2
N-UNCOUNT 理由；确凿的证据
If you say that you have reason to believe something or to have a particular emotion, you mean that you have evidence for your belief or there is a definite cause of your feeling.They had reason to believe there could be trouble...
他们有理由相信可能会遇到麻烦。
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3
N-UNCOUNT 理性;理智
The ability that people have to think and to make sensible judgments can be referred to as reason ....a conflict between emotion and reason...
情感和理智的冲突
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4
VERB 推理;推论;推断
If you reason that something is true, you decide that it is true after thinking carefully about all the facts.I reasoned that changing my diet would lower my cholesterol level...
我推断改变自己的饮食可以降低我的胆固醇水平。
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5
PHRASE （常用来暗指不赞成某人的所作所为）只有自己知道为什么，出于自身的理由
If you do not know why someone did something, you can say that they did it for reasons best known to themselves. You usually use this expression when you do not agree with what they did.For reasons best known to himself, Algie changed his name.
不知是出于什么原因，阿尔吉改了名字。
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6
PHRASE 因为；由于；由…引起；以…为理由
If one thing happens by reason of another, it happens because of it.The boss retains enormous influence by reason of his position...
老板由于自身的地位而一直有极大的影响力。
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7
PHRASE 听从劝告;理智行事
If you try to make someone listen to reason, you try to persuade them to listen to sensible arguments and be influenced by them.The company's top executives had refused to listen to reason.
公司的高层管理人员拒绝理智行事。
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8
PHRASE 无缘无故；莫名其妙；没有理由
If you say that something happened or was done for no reason ,for no good reason, or for no reason at all, you mean that there was no obvious reason why it happened or was done.The guards, he said, would punch them for no reason...
他说警卫会无缘无故殴打他们。
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9
PHRASE 活着的理由；生存的原因
If a person or thing is someone's reason for living or their reason for being, they are the most important thing in that person's life.Chloe is my reason for living.
克洛艾是我活着的理由。
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10
PHRASE 不知为何;不知什么原因
If you say that something happened or is true for some reason, you mean that you know it happened or is true, but you do not know why.For some reason, the curtains were shut...
不知什么原因，窗帘拉着。
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11
PHRASE 正当的;合乎情理的;理智范围内的
If you say that you will do anything within reason, you mean that you will do anything that is fair or reasonable and not too extreme.I will take any job that comes along, within reason...
我会接受任何给我的工作，只要是正当的。
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12
rhyme or reason→ see:rhyme
noun
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1
- the capacity for rational thought or inference or discrimination
- we are told that man is endowed with reason and capable of distinguishing good from evil
- Synonym: understanding intellect
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2
- a fact that logically justifies some premise or conclusion
- there is reason to believe he is lying
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3
- an explanation of the cause of some phenomenon
- the reason a steady state was never reached was that the back pressure built up too slowly
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4
- a justification for something existing or happening
- he had no cause to complain
- they had good reason to rejoice
- Synonym: cause grounds
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5
- a rational motive for a belief or action
- the reason that war was declared
- the grounds for their declaration
- Synonym: ground
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6
- the state of having good sense and sound judgment
- his rationality may have been impaired
- he had to rely less on reason than on rousing their emotions
- Synonym: rationality reasonableness
verb
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1
- think logically
- The children must learn to reason
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2
- decide by reasoning;draw or come to a conclusion
- We reasoned that it was cheaper to rent than to buy a house
- Synonym: reason out conclude
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3
- present reasons and arguments
- Synonym: argue
数据来源：WordNet
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For some reason we all have to come in early tomorrow .
出于某种原因，我们大家明天都不得不早点来。
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The principal reason for this omission is lack of time .
跳过它的主要原因是时间不足。
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Give me one good reason why I should help you .
我为什么要帮你？给我一个充分的理由。
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The last of these reasons is by far the most important .
这些理由中最后一条比其他的重要得多。
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I could give you any number of reasons for not going .
我可以给你许多不去的理由。
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There was much discussion about the reasons for the failure .
就失败的原因进行了大量的讨论。
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This result gives us all the more reason for optimism .
这个结果使我们更有理由保持乐观。
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State your reasons in order of importance .
按重要性顺序陈述你的理由。
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That 's the only reason I 'm actually going .
这是我确实要走的唯一理由。
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She didn 't do it for any reason of self .
她那样做决不是出于私心。
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The reasons for the decision should be made explicit .
应该直截了当给出决定的理由。
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Why can 't they see reason ?
他们为什么不明事理？
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For reasons of security the door is always kept locked .
为了保证安全，门总是锁着的。
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For certain personal reasons I shall not be able to attend .
由于某种个人原因，我将不能出席。
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The reasons for this decision were not immediately obvious .
作出这一决定的理由暂时还不清楚。
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There are various reasons that impel me to that conclusion .
有各种原因促使我作出那个结论。
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I had no reason to believe there was anyone within hearing .
我不相信周围会有人听得见。
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For obvious reasons , I 'd prefer not to give my name .
因为显而易见的原因，我不愿披露自己的姓名。
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She gave no reasons for her decision .
她没有对她的决定作出任何解释。
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For some peculiar reason , she refused to come inside .
出于某种奇怪的原因，她拒绝到里面来。
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Tell me the real reason .
告诉我真正的理由。
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I don 't follow your line of reasoning .
我不理解你的推理方法。
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They have reason to believe that he is lying .
他们有理由认为他是在撒谎。
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The reason why the injection needs repeating every year is that the virus changes .
每年需要重新注射的原因是这病毒经常变化。
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He had every reason to be angry .
他完全有理由感到愤怒。
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We have every reason to feel optimistic .
我们完全有理由感到乐观。
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There seems no reason to doubt her story .
似乎没有理由怀疑她所说的话。
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There 's no earthly reason why you shouldn 't go .
你完全没有理由不去。
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He offered a grab bag of reasons for his decision .
他为自己所作的决定提出了各种理由。
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One reason doctors take temperatures is to cover themselves against negligence claims .
医生测量体温的一个原因是免得被指玩忽职守而遭受索赔。
指某事发生的原因或做某事的正当理由，常后接介词 for 及 why 或 that 引导的从句，作“理由”解时还可后接动词不定式。
She gave her reason for being late.
她说出了迟到的原因。
He refused to explain the reasons behind his decision.
他拒绝解释为何作出这个决定。
We don't know the reason why she didn't come home.
我们不知道她为什么没回家。
He has reason to feel happy.
他有理由感到高兴。
指导致某事发生的行为、事件等；也指产生某种感情或做出某种举动的正当理由，作此义解时常可与 reason 换用。
Lack of physical exercise is the leading cause of obesity in young students.
缺乏体育锻炼是青少年学生肥胖的主要原因。
What was the fundamental cause of this failure?
这次失败的根本原因是什么？
There is no cause/reason for anxiety.
不必焦虑。
指辩解的理由或推脱的借口，常后接介词 for。
She always has an excuse for being late.
她总是能为自己的迟到找理由。
What is your good excuse for not coming?
你没来有什么正当理由？
指做某事的正当理由，作此义解时通常用复数。
She gave good grounds for divorce.
她给出了充分的离婚理由。
Did the police have reasonable grounds to file a lawsuit against that company?
警方有充分理由起诉那家公司吗？
- 词语搭配
- 短语动词
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