You've got it all wrong.

  你全弄错了。

  You've interpreted the sentence wrong.

  你把句子翻译错了。

  经典句扩展: I don't think you are right about it.

  我想你错了。

  I am not sure you are correct about the definition.

  我不能肯定你的定义是对的。

  The way isn't right, is it?

  这条路不对,是吗?

  I am sorry. But I really should point out your methodis not correct.

  对不起,但我应该指出你的方法不正确。

【责任编辑:屈应兰】