- [countable]
a cause or an explanation for something that has happened or that somebody has done 原因；理由；解释 He said no but he didn't give a reason. 他说不行，但没有说明原因。 - reason for something
She gave no reasons for her decision. 她没有对她的决定作出任何解释。 - reason for doing something
I have no particular reason for doubting him. 我没有什么特别的理由怀疑他。 - reason behind something
There were a number of reasons behind her departure. 她离开的原因有很多。 - reason (that)…
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。 Job satisfaction is the main reason people remain in jobs or careers. 工作满意度是人们留在工作或职业中的主要原因。 The only reason your parents are doing this is because they care so much for you. 你父母这样做的唯一原因是因为他们非常关心你。 - reason why…
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。 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。 - for a reason
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儿来。 For this reason, it's important to have friends who will support you. 因此，有朋友支持你是很重要的。 These rules are there for a very good reason. 这些规则是有很好的理由的。 The man attacked me for no apparent reason. 那个人不知何故攻击我。 Sometimes I cry for no reason at all. 有时候我会无缘无故的哭。 She resigned for personal reasons. 她出于个人原因而辞职。 For obvious reasons the data is not complete. 由于显而易见的原因，数据并不完整。 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 - for reasons of something
For reasons of security the door is always kept locked. 为了保证安全，门总是锁着的。 ‘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。” - by reason of something (formal)
He was excused by reason of (= because of) his age. 他因为其年龄而得以免除。
Synonyms reasonreason- explanation
- grounds
- basis
- excuse
- motive
- justification
- pretext
- reason a cause or an explanation for something that has happened or that somebody has done; a fact that makes it right or fair to do something:
He said no but he didn’t give a reason. 他说不行，但没有说明原因。
- explanation a statement, fact or situation that tells you why something has happened; a reason given for something:
The most likely explanation is that his plane was delayed. 最可能的解释是他的飞机晚点了。 She left the room abruptly without explanation. 她未作解释就突然离开了房间。
- grounds (rather formal
) a good or true reason for saying, doing or believing something: 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。
- basis (rather formal
) the reason why people take a particular action: 指原因、缘由： On what basis will this decision be made? 将基于何种原因作出这一决定呢？
- excuse a reason, either true or invented, that you give to explain or defend your behaviour; a good reason that you give for doing something that you want to do for other reasons:
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。
- motive a reason that explains somebody’s behaviour:
There seemed to be no motive for the murder. 这起谋杀案看不出有什么动机。
- justification (rather formal
) a good reason why something 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来加税了。
grounds or justification? 用 grounds 还是 justification？ - pretext (rather formal
) a false reason that you give for doing something, usually something 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、托辞： 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。
- (a/an) reason/explanation/grounds/basis/excuse/motive/justification/pretext for something
- the reason/motive behind something
- on the grounds/basis/pretext of/that…
- (a) good/valid reason/explanation/grounds/excuse/motive/justification
Language Bank thereforethereforeWays of saying ‘For this reason…’ “因此” 的种种表达方法 Today’s children eat more junk food and get less exercise than previous generations of children. It is not surprising, therefore, that rates of childhood obesity are on the increase. 当今的孩子比过去几代儿童吃的垃圾食品更多，锻炼更少。因此，肥胖儿童的比例逐渐升高并不奇怪。
Children who grow up on a diet of junk food find it difficult to change this habit later in life. It is essential, therefore, that parents encourage healthy eating from an early age. 吃垃圾食品长大的孩子发现在日后的生活中很难改变这个习惯。因此，父母从孩子幼年开始就倡导健康饮食非常重要。
Children who grow up on a diet of junk food find it difficult to change this habit later in life. For this reason,/This is why it is essential that children eat healthily from an early age. 吃垃圾食品长大的孩子在日后的生活中很难改变这个习惯。因此，孩子从幼年开始就健康饮食非常重要。
Eating habits formed in childhood tend to continue into adult life. Thus, the best way to prevent heart disease among adults is to encourage healthy eating from an early age. 孩童时期形成的饮食习惯往往会延续到成年。因此，预防成年人心脏疾病的最好方法就是从小鼓励健康饮食。
Eating habits formed in childhood tend to continue into adult life, hence the importance of encouraging healthy eating from an early age. 孩童时期形成的饮食习惯往往会延续到成年。因此，从小鼓励健康饮食尤为重要。
Express Yourself Giving reasons, justifying a choiceGiving reasons, justifying a choice 对选择作出解释 In various exams, you are asked to make a choice and give reasons for it. In conversation or in a meeting, you need to explain and justify your decisions: 在各种考试中需要作出选择并给出理由，在谈话或会议上需要对决定加以解释，可用以下表达方式： There are two main reasons why I think it’s the best option: first, there's the cost and second, the quality. 我认为这是最好的选择，主要原因有两个：第一是成本，第二是质量。
I think/believe it's the right thing to do because it gives everyone a fair chance. 我认为这么做是正确的，因为这给予每个人公平的机会。
I would choose the newer one on the grounds that it will last longer. 我会选择较新的那个，因为它更加耐用。
Of the three houses, the largest one seems to me to be the best, because they need the room. 这三栋房子中，最大的那栋在我看来是最好的，因为他们需要这么大的空间。
My choice would be number 3, simply because it's the clearest design. 我的选择是 3 号，原因就在于它的设计最清晰。
Extra ExamplesTopics Change, cause and effecta1For reasons of security, you are requested to keep your baggage with you at all times. 为了安全起见，请随身携带行李。 For some odd reason, he found it really funny. 由于某种奇怪的原因，他觉得这件事很滑稽。 For some unexplained reason the pilot jettisoned all his fuel shortly after take-off. 不知何故飞行员在起飞后不久就投弃了所有燃料。 For unknown reasons, the ship sank in the middle of the ocean. 不知什么原因，这艘船在海中央沉没了。 He got angry for no reason. 他平白无故地发怒。 He married her for all the wrong reasons. 他出于不道德的动机娶了她。 He saw many reasons to be hopeful. 他有诸多理由充满希望。 I can think of several reasons why this might happen. 我能想出几个原因来解释为什么这件事可能会发生。 I don't know why he did that, but I'm sure he had his reasons. 我不知道他为什么那么做，但我相信他一定有他的理由。 I don't see any reason why you can't come with us. 我看不出你有什么理由不跟我们来。 I have no reason to believe that she was lying to me. 我没有理由相信她在向我撒谎。 I was never good at playing the trumpet for the simple reason that I never practised. 我小号一直吹得不好的唯一原因就是我从来不练习。 In the letter she carefully set out her reasons for leaving. 她在信中谨慎地说明了她离开的原因。 Isolation and loneliness are common reasons for depression. 孤独与寂寞是抑郁的常见原因。 It's difficult to pinpoint the reasons for her success. 很难准确地指出她成功的原因。 People buy things for all sorts of reasons. 人们购物的动机多种多样。 She did not tell him the real reason for her change of heart. 她没有告诉他她变心的真正原因。 The company's stated reason for firing him was misconduct. 关于为什么开除他，公司给出的理由是玩忽职守。 The only reason I didn't become a professional golfer was because of my family commitments. 我没有成为职业高尔夫球手的唯一原因就是我要照顾家庭。 The reasons for her decision soon became clear. 她作此决定的动机很快就清楚了。 The underlying reasons for these differences will be explored in depth in the next chapter. 这些差异的根本原因会在下一章节中详述。 There are obvious reasons against such a move. 反对这一行动的理由显而易见。 There is an assumption that a state will protect its citizens. That is the very reason for the existence of states. 有一个假定就是国家会保护公民。这也正是国家存在的理由。 There's one big reason why this won't work: cost. 此事行不通的一个主要原因是：成本问题。 They didn't give any reason for the delay. 他们没有解释延误的原因。 This article lists the most common reasons why people pay too much tax. 这篇文章列出了人们交税过多最常见的原因。 Tom's problem was that he lacked confidence; Ed failed for precisely the opposite reason. 汤姆的问题是缺乏信心，而埃德的失败恰恰是因为他太过自信。 We are trying to uncover the reasons behind her decision. 我们正试图揭开她这个决定的背后动机。 You're asking me to help, and that's the exact reason I came. 你要我帮忙，这就是我来的原因。 dismissal for reasons unconnected with misconduct 与行为不当无关的解雇 procedures carried out for reasons of national security 出于国家安全的原因而采取的步骤 Surely there is no earthly reason why you wouldn't want to come with us? 你肯定没什么理由拒绝和我们同行吧？ We see no reason why this band shouldn't be a huge success. 我们看不出这个乐队有任何理由不会大获成功。 You don't have any reason to complain. 你没有任何理由抱怨。
Oxford Collocations Dictionaryadjective- cogent
- good
- sound
- …
- be aware of
- see
- have
- …
- by reason of
- for a/the reason
- for reason of
- …
- all the more reason
- all sorts of reasons
- every reason
- …
- [uncountable]
a fact that makes it right or fair to do something 正当理由；道理；情理 - reason to do something
They have reason to believe she is lying. 他们有理由相信她在撒谎。 We have every reason (= have very good reasons) to feel optimistic. 我们完全有理由感到乐观。 You have no reason to accuse him of laziness. 你没有理由指责他懒惰。 She has good reason to be concerned. 她有充分的理由担心。 There is no reason at all to doubt it. 完全没有理由怀疑。 - reason why…
There is no reason why we should agree to this. 我们没有理由同意这点。 - reason for something
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。 - reason for doing something
He has every reason for feeling excited. 他完全有理由感到兴奋。 - with reason
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。
Extra ExamplesYou have little reason to be pleased with yourself. 你没有什么理由自鸣得意。 There is ample reason to be optimistic about the economy. 完全有理由对经济持乐观的态度。 I know you're angry with me, and you have every reason to be. 我知道你生我的气，这是合情合理的。 They complained about the food, and with good reason. 他们抱怨饭食不好，也确实如此。 persons in need of care by reason of old age 由于年老而需要照顾的人 He was found not guilty by reason of insanity. 他由于精神失常而被判无罪。 If he's unwell, that's all the more reason to go and see him. 如果他身体不好，我们就更应该去看他。
Oxford Collocations Dictionaryadjective- cogent
- good
- sound
- …
- be aware of
- see
- have
- …
- by reason of
- for a/the reason
- for reason of
- …
- all the more reason
- all sorts of reasons
- every reason
- …
- reason to do something
- [uncountable]
the power of the mind to think in a logical way, to understand and have opinions, etc. 思考力；理解力；理性 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 the conflict between faith and reason 信仰和理性的冲突
Extra ExamplesTopics Opinion and argumentb2He seems to have lost all sense and reason. 他似乎完全失去了理智。 He was beyond all reason. 他毫不讲理。 We possess the human faculty of reason. 我们具有作为人类的推理能力。
Oxford Collocations Dictionaryadjective- human
- lose
- be open to
- listen to
- …
- beyond reason
- within reason
- an appeal to reason
- faculty of reason
- sense of reason
- …
- [uncountable]
what is possible, practical or right 道理；情理；明智 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？ Look, you're supposed to be the voice of reason here. 听着，你应该是理性的代言人。 Keith appears to be open to reason (= to be willing to accept sensible advice). 基思似乎乐于接受理性的建议。 - within reason
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。
Extra ExamplesI'm willing to do anything — within reason — to get my case heard. 为了使我的案子得到审理，只要是合理的事我都愿意做。 I'll lend you the money you need—within reason, of course! 你需要的钱我会借给你 － 当然，数额得合理！ The residents hope that an appeal to reason will end the rioting. 居民们希望可以说服闹事者恢复理智，结束骚乱。 Sometimes he does things that defy reason. 他有时会做些不理智的事。 I tried to persuade her, but she just wouldn't listen to reason. 我试图说服她，但她就是听不进去。 She was always the voice of reason, persuading him not to buy things they couldn't afford. 她总是非常理智，不让他买他们买不起的东西。
Oxford Collocations Dictionaryadjective- human
- lose
- be open to
- listen to
- …
- beyond reason
- within reason
- an appeal to reason
- faculty of reason
- sense of reason
- …
Word OriginMiddle English: from Old French reisun (noun), raisoner (verb), from a variant of Latin ratio(n-), from the verb reri ‘consider’.
Idioms
it stands to reason
there’s no rhyme or reason to/for something | without rhyme or reason
if there is no rhyme or reason to something or it happens without rhyme or reason, it happens in a way that cannot be easily explained or understood 毫无道理；无规律可循；莫名其妙 Suddenly, without rhyme or reason, his mood changed. 突然，莫名其妙，他的心情变了。 There's no rhyme or reason to the new opening hours. 新的营业时间毫无道理。