我完全没明白你的意思。翻译成英文

I have not completely understood your meaning

I don't understand what you mean at all.

I did't catch what you said at all.

把catch改成get也行

我完全没明白你的意思。

i totally miss your point.

毫不客气地说，我的是最好的。

I can’t understand what you say veritabily.

Your words never make any sense to me.