对他的所作所为无法作出合理的解释。

There is no rational explanation for his actions.

《牛津词典》

现在就必须对这些定则作出合理的解释。

We now have to provide a plausible reason for these rules.

youdao

上述认识可对矿区的某些地质问题作出合理的解释。

The above understanding can give rational explanation to some geologic problems remaining in suspense in the ore district.

youdao

So let's ask ourselves, "Are there things that we need to appeal to the soul in order to explain these things about us?"

所以让我们扪心自问,有没有这样的现象,需要我们诉诸于灵魂,才能对其作出合理的解释

耶鲁公开课 - 死亡课程节选

Who else can find a way of reconciling the reaction of the majority in these two cases?

还有谁能来为两种情况中,大多数人的不同选择作出合理解释？

耶鲁公开课 - 公正课程节选