他没有得到一个合理的解释。

He didn't get a decent explanation.

《柯林斯英汉双解大词典》

存在一个合理的解释。

There was a logical explanation.

《柯林斯英汉双解大词典》

不过我不怕，我相信，任何事情都是有一个合理的解释的。

I wasn't; in my mind there is always a rational explanation.

youdao

There is rationalization, which is that when you do something or think something bad you rationalize it and you give it a more socially acceptable explanation.

还有合理化，是指当你做坏事或有不良想法时,你会将行为合理化,为行为寻找一个更为社会接受的解释。

耶鲁公开课 - 心理学导论课程节选

Yet how many people could give a kind of reasoned account of ? what makes these beliefs true ? or what grounds these beliefs?

但多少人会能,给一个合理的解释,是什么让这些信念成真,它们的根据为何？

耶鲁公开课 - 政治哲学导论课程节选

Because I think positing a soul doesn't really yet offer us the explanation.

因为我认为灵魂存在的假设并未,给予我们一个合理的解释

耶鲁公开课 - 死亡课程节选