reason的用法與搭配：可作名詞，含義為“原因”、“解釋”、“正當理由”、“思考力”、“理性”，固定搭配為reason to do sth；可作動詞，含義為“推理”、“思考”、“理解”，固定搭配為reason sth out/reason with sb。

reason作為名詞時基本含義及用法介紹

當reason作為名詞時，意為原因;理由;解釋;正當理由;道理;情理;思考力;理解力;理性。

例句：I'd like to know the reason why you're so late.

我想知道你為什么遲到那么長時間。

For reasons of security the door is always kept locked.

為了保證安全，門總是鎖著的。

They have reason to believe that he is lying.

他們有理由認為他是在撒謊。

Only human beings are capable of reason.

只有人類才有理性思考的能力。

I can't get her to listen to reason .

我沒法跟她講道理。

There is a reason for every important thing that happens...

每件重要事情的發(fā)生都有原因。

They had reason to believe there could be trouble...

他們有理由相信可能會遇到麻煩。

當reason作為動詞時基本含義及用法介紹

當reason作為動詞時，意為推理;推論;推斷;思考;理解。

例句：She reasoned that she must have left her bag on the train.

她斷定準是把包落在火車上了。

I reasoned that changing my diet would lower my cholesterol level...

我推斷改變自己的飲食可以降低我的膽固醇水平。

Is group identification an adequate basis for political reasoning?

群體認同是否為政治理解的充份基礎？

His brain had already lost the ability to reason.

他的頭腦已經(jīng)喪失了思考的能力。

They reasoned, correctly, that she was away for the weekend.

他們的推斷沒錯，她出去度周末了。