reason

音标发音

• 英式音标 ['riːz(ə)n]
• 美式音标 [ˈriː.zən]
• 国际音标 ['ri:zən]
• 英式发音
• 美式发音

基本解释

• n. 理由；理性；动机
• vi. 推论；劝说
• vt. 说服；推论；辩论
• n. (Reason)人名；(英)里森

词源解说

• 13世纪初期进入英语，直接源自盎格鲁法语的resoun；最初源自古典拉丁语的rationem，意为计算、理解、动机、事业。

词根记忆

• 和season(n.季节)一起记

同根派生

• adj性质的同根词

  reasonable：合理的，公道的；通情达理的。

  reasoning：推理的。

  reasoned：详尽论述的；理由充分的；合乎逻辑的。

  reasonless：不合理的；不理智的，无理性的；无推理能力的。

• adv性质的同根词

  reasonably：合理地；相当地；适度地。

• n性质的同根词

  reasoning：推理；论证；评理。

  reasonableness：合理；妥当。

• v性质的同根词

  reasoning：推论；说服（reason的ing形式）。

  reasoned：说服；推断（reason的过去分词）。

• reason相关词

用法辨析

n. (名词)

• reason用于事情可指“理由,原因,道理,情理”,用于人可指“理智,理性,思维能力,推理能力”。
• reason后常可接动词不定式或for引导的短语或从句作定语,引导从句的why在口语中常省略。
• reason作主语时,可接that引导的从句作表语。

v. (动词)

• reason的基本意思是根据事实作出判断或推理,强调连续的逻辑思考,以某个假设的前提、某个确定的数据或证据开始,作出推论。引申可指“争辩”。
• reason既可用作及物动词,也可用作不及物动词。用作及物动词时,通常接that从句作宾语。
• reason可接介词into表示“说服某人做某事”; 接out of表示“说服某人放弃某事”; 接out表示“推断出”; 接with表示“说服,规劝”。

• reason使用方法
• reason详细辨析

英汉例句

用作名词 (n.)

• I can only guess the reason.
  我只能猜测原因。

～+to- v

• I have many reasons to think that he won't come.
  我有很多理由认为他不会来。

～+that-clause

• The reason I didn't tell you was that I wanted it to be a surprise.
  我没告诉你的原因是,我想让这件事使你感到意外的惊喜。

～+wh-clause

• The reason why she didn't get the job was that her English was not very good.
  她没得到这个工作的原因是她的英语不是很好。

用作动词 (v.)

用作不及物动词: S+～(+A)

• An idiot can't reason.
  白痴不会分析问题。

用作及物动词: S+～+that-clause

• Copernicus reasoned that the earth revolved around the sun.
  哥白尼推论说地球围绕太阳转。

• reason更多例句

词组短语

用作名词 (n.)

动词+～

• analyze reasons 分析原因
• assign reasons 指出理由
• bear reason 听从道理,服理
• bring to reason 恢复理智
• cite a reason 引证理由

• reason更多词组

英英字典

剑桥英英字典

• (EXPLANATION) the cause of an event or situation or something that provides an excuse or explanation
• (JUDGMENT) the ability of a healthy mind to think and make judgments, especially based on practical facts
• to try to understand and to make judgments based on practical facts

柯林斯英英字典

• The reason for something is a fact or situation which explains why it happens or what causes it to happen.
• 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.
• The ability that people have to think and to make sensible judgments can be referred to as reason.
• If you reason that something is true, you decide that it is true after thinking carefully about all the facts.
• &rarrsee also reasoned , reasoning
• If one thing happens by reason of another, it happens because of it.
• If you try to make someone listen to reason, you try to persuade them to listen to sensible arguments and be influenced by them.
• 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.
• 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.
• see reason&rarrsee see
• it stands to reason&rarrsee stand

• reason剑桥字典
• reason柯林斯字典

专业释义

经济学

• 原因

  Its important reason is explained by“policy-driven”.
  其最突出的原因是“政策驱动”所致的。

• 成因

  The reason of unemployment in our nation is anfractuous.
  我国失业问题的成因错综复杂。

  法学

• 原因

  It shows the reason of legislation at first.
  其一,立法原因。

• 根源

  The practical reason lies in the game between investors and legislators.
  就其现实根源而言在于投资者与立法者的博弈。

  文学

• 理由

  There are the reason, the significance, purpose, method for studying on the project in the preface.
  序论中阐明了选题的理由、目的、意义、研究方法及这一课题相关研究的历史回顾。

  计算机科学技术

• 推理

  But the faintness reason logically system to lack a valid design method.
  但是模糊推理系统缺乏有效的设计方法。

  历史学

• 缘起

  In the introduction, I briefly introduce the four controversies on Augustus’ principate and the reason for my writing.
  序言：简要介绍了学界对奥古斯都元首制的四种争议及写作的缘起。

  语言学

• 理据

  It declared openly in the "Preface of Shi Ming" that it was aimed to disclose the reason of things naming, i. e. motivation. And "Shi Ming" itself also gives expression to this purpose.
  《释名序》开诚布公地说明其宗旨是揭示事物命名的“所以之意”，即理据，《释名》全书的实践也体现了这一宗旨。

• 形成动因

哲学

• 理由

  Legitimacy emphasize ruler who is ruling the society must have a proper reason to people.
  合法性强调统治者在对民众进行统治和治理时，必须要有一个正当的理由。

  农业科学

• 推广

体育

• 诱因

  The players' violent behaviors are the most important reason triggering the audience riots, umpires are just the general inducements.
  3.赛场上球员的暴力行为是引起观众骚乱的重要因素,裁判因素只是一般诱因。

  数学

• 前提(尤指推论中的小前提)