英 [ˈriːz(ə)nz] 美 [ˈriːz(ə)nz]
n. 原因（reason 的复数）
v. 推理；劝说（reason 的第三人称单数）
reason /ˈriːzən/ CET4 TEM4 [ reasoning reasoned reasons ]
可数名词 The reason for something is a fact or situation which explains why it happens or what causes it to happen. 原因
There is a reason for every important thing that happens.
发生的每一件重要事情都是有原因的。
不可数名词 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. 道理; 理由
They had reason to believe there could be trouble.
他们有理由相信会有麻烦。
不可数名词 The ability that people have to think and to make sensible judgments can be referred to as reason. 理智
...a conflict between emotion and reason.
…情感与理智的冲突。
及物动词 If you reason that something is true, you decide that it is true after thinking carefully about all the facts. 推断
I reasoned that changing my diet would lower my cholesterol level.
我推断改变我的饮食会降低我的胆固醇水平。
习语 If one thing happens by reason of another, it happens because of it. 因为
The boss retains enormous influence by reason of his position.
老板因为职位的关系保持着巨大的影响力。
习语 If you try to make someone listen to reason, you try to persuade them to listen to sensible arguments and be influenced by them. 听从道理
The company's top executives had refused to listen to reason.
公司的高级主管们拒绝听从道理。
习语 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. 无缘无故
The guards, he said, would punch them for no reason.
他说看守人员们会无缘无故地用拳头打他们。
习语 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. 合情合理的; 正当的
I will take any job that comes along, within reason.
我有什么工作就干什么，只要是正当的。
see reason→seesee
it stands to reason→seestand
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
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
同义词： understanding / intellect
the state of having good sense and sound judgment
he had to rely less on reason than on rousing their emotions
同义词： rationality / reasonableness
a fact that logically justifies some premise or conclusion
there is reason to believe he is lying
decide by reasoning; draw or come to a conclusion
We reasoned that it was cheaper to rent than to buy a house
同义词： reason out / conclude
present reasons and arguments
同义词： argue
think logically
The children must learn to reason
原因-引用次数：8987
The reasons include market and system two aspects.
究其原因,既有市场的,也有体制的。
因素-引用次数：1385
The above reasons postpone the speed of the market recovery.
上述因素延缓了市场崩溃后的恢复速度。
参考来源航空战争责任保险的研究
成因-引用次数：1132
The first part inquires into the financial reasons for the gap of regional economy.
第一部分探讨区域经济差距的金融成因。
原因-引用次数：5303
At last, the author summarized the reasons.
最后笔者对这些原因进行了简单总结。
成因-引用次数：250
PartⅠ:The problem and its reasons of financing through the banks.
第一部分主要是对我国银行融资中存在的问题及其成因的讨论。
说明理由-引用次数：66
Through the exercise of due process and the outcome of the ruling, the exercise of discretion reasons, is to get the legitimacy of the two main ways.
通过正当程序的行使以及对裁判结果、自由裁量权的行使说明理由,是使其获得正当性的两个主要方式。
参考来源法官自由裁量权研究（研究生论文）
缘由-引用次数：21
It includes the reasons for choice of the topic for this thesis, main contents and research methods.
阐述本论文的选题缘由、主要内容及研究方法。
参考来源仙仁土家语濒危现象个案研究
缘由-引用次数：22
The following is the main content of the thesis. The introduction is about the reasons of writing the thesis and the spans of time and space.
全文主要内容如下： 引言部分，阐明本文写作缘由及时空跨度。
原由-引用次数：8
In the second part, the thesis analyzes the reasons, frequencies and status of different periods based on the statistics on the relevant resources.
文章第二部分还在文献、文本和数理统计分析的基础上，对唐赦颁布原由、颁行频率及各朝具体状况进行了分析。
参考来源唐代大赦研究
致因-引用次数：5
To get to the bottom of the reason, because of the reform experts' shallow understanding to practicality. The other reasons are the education of attending an examination and the teachers' quality.
课改专家对实用主义的肤浅认识,简单地把体育课等同于健身课,这种功利思想,并加上应试教育和体育教师自身素质不高都是体育课基本形态扭曲的致因。
参考来源上海市中学体育课基本形态研究
来源：为公道起见(Reasons)，还得赓续封权 操作者(Operator)：r9r9r9r9@chinaren
但遭遇其他生人，则要找事由(Reasons)，遭遇亲属，师长的责任.只是教导.
方块壮字经久不绝却难成通行文字原因/教育教学论文_德育教育论文_范文百科 关键词】方块壮字；经久不绝；未通行文字；原因；探究 [gap=281]Keywords：Sawndip；longlife；uncommonuse；reasons；study
（4）相信理由(Reasons to Believe)：对参照系和差异点所提供的支持性证据就是相信理由。
She resigned for personal reasons.
她出于个人原因而辞职。
He resigned for a variety of reasons.
他由于种种原因辞职了。
The reasons for closure are multifarious.
关闭的原因多种多样。
But she says it must be shown scientifically that cord blood stem cells cause improvement, and not other reasons.
VOA : special.2011.02.01
So the reasons for this really enormous shift in plans, and the enormous shift in subject matter, are worth exploring.
弥尔顿的计划变化为何如此之大，他对主题的选择为何有这么大的改变，是值得探究的。
弥尔顿课程节选 : 耶鲁公开课
So when someone says, "your apartment, it's not so great." You can tell them these reasons and then you say,
所以当有人说，“你的公寓不怎么样”，你可以告诉他们上述理由，然后你说，
SpeakingMax英语口语达人 : That's why 课堂
The National Humanities Center in North Carolina explains on its Web site that the newspaper was banned for three reasons.
VOA : special.2009.04.20
In the United States, holiday gift giving is important not only for the usual reasons, like showing friendship and love.
VOA : special.2009.12.21
This ruling prompted Harris to demand written statements from the counties explaining their reasons for recounting.
Apple , however, is currently on a jihad against Flash, for both good and bad reasons.
Alwani, a Sunni, thinks the Shiite-led government is deliberately shafting Fallujah for sectarian reasons.