reason，英语单词，主要用作为名词、动词，作名词时译为“理原因，理由；充分理由，正当理由”，作动词时译为“推理，逻辑思考；推论出，推断出”等。

英 [ˈriːz(ə)n] 美 [ˈriːz(ə)n]

n. 原因，理由；充分理由，正当理由；道理，情理；判断力，理智

v. 推理，逻辑思考；推论出，推断出（reason sth. out）；对（某人）以理相劝，劝告（reason with）

【名】 （Reason）（英）里森（人名）

[ 复数 reasons 第三人称单数 reasons 现在分词 reasoning 过去式 reasoned 过去分词 reasoned ]

柯林斯英汉双解大词典

reason /ˈriːzən/ CET4 TEM4 ( reasoning, reasoned, reasons )

1.N-COUNT The reason for something is a fact or situation which explains why it happens or what causes it to happen. 原因

2.N-UNCOUNT 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

3.N-UNCOUNT The ability that people have to think and to make sensible judgments can be referred to as reason. 理智

4.V-T If you reason that something is true, you decide that it is true after thinking carefully about all the facts. 推断

5.→ see also reasoned, reasoning

6.PHRASE If one thing happens by reason of another, it happens because of it. 因为 [正式]

7.PHRASE 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

8.PHRASE 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

9.PHRASE 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

10.see reason →see see

11.it stands to reason →see stand

reason for 原因，理由

main reason 主要原因

for this reason 为此；由于这个原因

no reason 没有理由

by reason of 由于；因为

good reason 好理由

with reason 合理；有道理

for some reason 由于某种原因；由于某个理由

for the reason 由于；因为

for no reason 无缘无故；无端；没有理由的

have reason 有道理，有理性

reason with 规劝；与…评理

in reason adv. 合理；明智

without reason 无理由；不合理

for the same reason 为了同样的理由

for reason 因为…理由

within reason 理智的，合理的；合情合理

one reason or another 因为…某种原因

practical reason 实践理性；实际理由

by reason that 因为