1. Their actions may be qualified as irrational. 他们的行动可视为无理性的。
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。
3. Price has also an irrational side: something that is expensive must be . 价格也有无理性的一面，例如，认为贵的就是好的。
英英解释
n.
1. a real number that cannot be expressed as a rational number
2. not consistent with or using reason
3. real but not expressible as the quotient of two integers
