I can speak Chinese, but I can not write very well.

However, they could speak Chinese at home.

不过，在我们自己的家讲中文没关系。

I am a Chinese and ( I) can speak Chinese.

我是中国人，会说汉语。

I don't have too many opportunities to speak Chinese.

我没有太多机会练习说汉语。

Learning to speak Chinese is not as hard as you think.

学汉语并不像你想象的那么难。

You are the only person here who can speak Chinese.

你是这里惟一一个会讲中文的人。

I am an American but I can speak Chinese.

我从美国来的不过我会说中文。

Could you find a staff who can speak Chinese?

你能帮我找一个会中文的工作人员吗？

And we're going to speak Chinese there.

在那儿我们将要说汉语。

He can also speak chinese.

他也会说中文。

We have six American teachers, who can't speak Chinese.

我们有六位美籍教师。他们都不会说中国话。

Still some students in other countries can speak Chinese very well.

还有一些其他国家的学生汉语讲得很好。

In China, we speak Chinese.

在中国，我们说汉语。

Today, more and more people from the West speak Chinese.

今天，会讲汉语的西方人越来越多。

If I can speak Chinese, developing China will give me more good opportunities

如果我会汉语，发展的中国能提供给我许多好机会

I would also like to learn to speak Chinese!

当然了，我对学习中文也是非常着迷呢。

Since only you can speak chinese, you take charge.

因为你会说中国话，才让你负责这事的。

He can speak Chinese to the friends who come from China.

他可以跟中国来的朋友说中文。

Please someone who speaks Chinese.

请会说中文的人来。

My spoken-english is poor, so could you please speak Chinese?

口语不太好，请问可以用中文表达吗？。

Sorry, My English is poor, please speak Chinese!

意思是，对不起，我英语不太好，请讲中文！