Something's come up.

有点事。

Sorry to bother you.

抱歉打扰你。

What's bothering you?

什么在困扰你？

It's her birthday and she wants to gives us all a treat.

这是她的生日，她要款待我们大家。

How people design computer games is beyond me.

我不懂得电脑游戏是怎么设计的。

We are short of hands now.

我们现在人手不足。