名词n.

1.理由; 原因

I can only guess the reason.

我只能猜测原因。

2.理性, 理智

His actions showed a lack of reason.

他的行动表明缺乏理智。

及物动词vt. & 不及物动词vi.

1.推理; 思考

A man can reason but an animal can't.

人能推理, 而动物则不能。

I reasoned that since she had not answered my letter she must be angry with me.

我想她没有给我回信一定是在生我的气。

2.争辩

He reasoned that if we start at now, we could arrive before noon.

他争辩着说如果我们现在出发, 中午之前一定能到达。