“理智”的英文是：reason
词语分析：
音标：英 ['riːzn] 美 ['riːzn]
n. 原因；理由；理智；理性
v. 理论；论证；推理；劝说
名词: reasoner
过去式: reasoned
过去分词: reasoned
现在分词: reasoning
第三人称单数: reasons
词语用法：
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”。
短语：
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
例句：
That is the reason why I don't like it.
那就是我不喜欢它的原因。
He is able to explain the reason because he was present at that time.
他当时在场,所以他能解释原因。
We have reason to believe that he was murdered.
我们有理由相信他是被谋杀的。
We shall in no way let reason be defeated by impulse.
我们决不能让冲动战胜理智。
His assessment of the situation is based on sheer emotion, not reason.
他对形势的评估完全是感情用事,而不是建立在理性基础上的。