Your unlikely friendship and the reasons behind it.

你们令人费解的友谊，以及友谊后面的缘由。

The reason behind this set back.

这背后的原因不清楚。

So what’s the reason behind it?

那么，背后的原因到底是什么呢？

Ask yourselves the reasons behind your judgments and assumptions.

问问自己，在你评断和 假设的背後有什麽理由。

What's the reason behind your plan to expand?

你拟订这个扩张计划的理由是什么？

The reason behind this was complicated but also understandable.

这背后的原因很复杂 但也可以理解。

Its executive Ed Day explained the reasons behind the action.

县长艾德·得伊解释了行动背后的原因。

The BBC's Mimi Swaby explains the reason behind this.

BBC的米米·斯瓦比解释了这背后的原因。

But the reasons behind this transformation are more than just cultural.

但这种转变背后的原因不仅仅是文化。

What triggered this? Any sense of the reason behind the crackdown?

什么引发了这次逮捕行动？我们知不知道镇压背后的原因？

But they did not immediately know the reason behind the attack.

但他们还无法立即知道此次袭击背后的原因。

The Marriott hotel worker did not explain the reasons behind the ban.

万豪酒店的工作人员没有解释禁令背后的原因。

He added that he did not receive exact details for the reasons behind his termination.

他补充说，他没有收到校方关于解聘一事给出的具体细节。

The reason behind this has long been one of astronomy's greatest mysteries.

这背后的原因一直是天文学上最大的谜团之一。

The reasons behind Dr. Todd's murder have remained a mystery for many years.

陶德医师命案的犯罪动机多年来一直成谜。

And the reason behind that can be traced back to a time the royals really needed money.

其背后的原因可以追溯到王室真正需要钱的时候。

Officials are still looking for the reason behind the five bombings and whether the suspect acted alone.

官员仍在调查五起爆炸事件背后的动机，以及嫌疑人是否是单独行动。

The reason behind this is unclear, but nitric oxide makes peripheral arteries dilate, so blood pressure drops.

其中的原因尚不明确，但是，一氧化氮会导致外周动脉扩张，血压因而下降。

Visiting air passengers who spread the disease are one of the reasons behind Britain's dose of coronavirus.

传播疾病的坐飞机的乘客是英国遭受新冠病毒的原因之一。

Why do you think that the divorce rate is going up? What could be the reason behind this?

你为什么认为离婚率在上升？离婚率上升的原因是什么？