Mrs.Jones,this is Mr. John Smith.

琼斯夫人，这是约翰、史密斯先生。

I have a lot of trouble with pronunciation.

我有发音的很多毛病。

My brother used to speak French to me all the time.

我的兄弟过去总是对我说法语。

I don't feel very well this morning.

我今早感到不很好。

Do you think it's going to rain tomorrow?

你认为明天将下雨吗？

There was a big crowd and we had difficulty getting a taxi.

外面有一大群人并我们有很困难招一辆出租车。