正文: You've got it all wrong.
你全弄錯了。
You've interpreted the sentence wrong.
你把句子翻譯錯了。
經典句擴展: I don't think you are right about it.
我想你錯了。
I am not sure you are correct about the definition.
我不能肯定你的定義是對的。
The way isn't right, is it?
這條路不對,是嗎?
I am sorry. But I really should point out your method is not correct.
對不起,但我應該指出你的方法不正確。