Here's something for you.

这有东西送你。

Nothing will stay down when I eat.

我吃下去的东西全吐出来了。

I'd like to convert some RMB yuan to US dollar, please.

请将我的一些人民币换成美元。

Would you mind telling me what the climate is like in California?

您能告诉我加利福尼亚的气候怎么样？

I would be interested in a ten-day trip around Christmas time.

我有兴趣在圣诞节前后去玩10天。

Is this what I ordered?

这是我点的吗？