And he went from zero to big crybaby.

他就毫无缘由地大哭大闹。

We all have our reasons for rewriting history.

我们都有改写历史的缘由。

The reasons for this failure are not mysterious.

失败的缘由并不难理解。

I will let you figure out why.

我想让你自己品味其中缘由。

But research suggests there may actually be something to them.

但研究表明，其中确实有些缘由。

People have culture shock for different reasons.

文化冲突的缘由不尽相同。

We might wonder what causes it.

我们会好奇其中的缘由。

You don't get a buzzing-noise like that just buzzing and buzzing without its meaning something.

会有这种嗡嗡的声音一定是有缘由的。

And the change can be traced to Swedish hunting regulations.

这种变化可以在瑞典的捕猎规定中找出缘由。

But there's more than meets the eye to this eye-popping celestial sight.

这神奇天象背后可有让人更惊讶的缘由。

But I hope you know that's not what that session was supposed to be.

但我希望你明白这次咨询的缘由不是这个。

Then, she explains why she is at The Ice Castle Inn.

然后，她说明了她来冰雪城堡旅店的缘由。

But Iwata thinks that the odd behavior may have a darker origin.

但岩田孝认为这种奇怪行为的缘由可能较为阴暗。

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。

Well, then, I saw the reason I was in search of, at once.

这样，我便立即弄清了研究课题的缘由。

What's the plants' motivation for producing such chemicals?

那么植物制造这样一种化物质是何缘由呢?

Our correspondent in Tripoli tells us why.

稍后，的黎波里的BBC记者为我们讲述事件缘由。

We all need this food, and I don't think I have to tell you why.

我们都需要这些食物，我觉得我也不必赘述缘由。

Dr Mortimer asked our driver why the soldier was there.

摩梯末医生向车夫询问了那个士兵在那里的缘由。

Well, if he gonna fetch, he have a very special reason.

好吧 如果让它捡东西 必须有特殊缘由。