There is no rational explanation for his actions.

对他的所作所为无法作出合理的解释。

《牛津词典》

He did not offer any explanation for his behaviour.

他没有对自己的行为作出任何解释。

《牛津词典》

Herr Kohler wanted an explanation for what he described as "slanderous" remarks.

科勒先生要求那些他称之为“造谣中伤”的言论作出一个解释。

《柯林斯英汉双解大词典》

meaning killed. The Random House Historical Dictionary of Slang provides a possible explanation for the use of eighty-six in restaurants.

VOA: special.2010.01.08

You feel physiologically aroused but you're not completely sure why, and you have to make up an explanation for it.

你感觉到性觉醒,但是不能确定是什么原因，你不得不给出一个解释。

耶鲁公开课 - 心理学导论课程节选

Instead, I would ask you given that this is the electron occupancy what is the explanation for it?

事实上，我要求你给出,电子占据情况,看你如何解释它？

麻省理工公开课 - 固态化学导论课程节选

The second explanation for General Musharraf's half-measures is that he is afraid of the extremist groups.

ECONOMIST: Islamist militancy is alive and well

Occasionally, he may offer an explanation for his choice, but no one expects that.

FORBES: How Does The Pope Choose His Pope Name?

Others argue strong pastoral support at faith-based schools could provide a credible explanation for the results.

BBC: Church primaries 'above average'