正文：
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 method is not correct.
对不起，但我应该指出你的方法不正确。