I think you 've overcharged me ten yuan .

我认为你们多收了我10块钱。

The two toll stations are overcharged the tolls ?

这两处收费站是不是多收了通行费呢？

Another important thing is that batteries should never be overcharged .

另一件重要的事就是电池不应滥收费用.

I was overcharged for these goods .

这些货物我买贵了。

They overcharged me by 1 for the shopping .

我买东西他们多要了我1英镑。