形容词
1. Animals are irrational creatures.
野兽是没有理性的动物。
2. He had an irrational belief that everybody was his enemy.
他有个荒谬的信念，以为人人都是他的仇敌。
1. 不理性的：但是,我们在一开始总还能够把某些对排他主义的抱怨归为理智上(intellectual)的批判:排他主义式的思考是不理性的(irrational)和不能证明有道理的(unjustified).
2. 无理的：根据税些要求,除非裁决时所依据的证据是无理的(irrational)或反常的税局在撰写事实陈述书(statement of facts) 时,一般会先发草拟本(draft)作准备. 为了阻吓无理的(without merits)、或无聊的(frivolous) 上诉,委员会可向滥著名会计师或学者,
3. 无理性的：作为科学发展链条之结果的理性道德观念(希腊哲学的遗产)--我重复一遍--已经彻底丧失了其地位;据说,所有的选择根本上都是非理性(non-rational)或无理性的(irrational).
1. 不合逻辑的;不合理的;荒谬的
If you describe someone''s feelings and behaviour as irrational, you mean they are not based on logical reasons or clear thinking.
e.g. ...an irrational fear of science.
对科学的莫名恐惧
noun
1. a real number that cannot be expressed as a rational number
Synonym: irrational number
adj
1. not consistent with or using reason
e.g. irrational fears
irrational animals
2. real but not expressible as the quotient of two integers
e.g. irrational numbers