不同語氣表達自己的不同意

Yes, that's quite right, but it is perhaps not the policy that has gone wrong.

是的,十分正確,但是或許並不是政策上的錯誤.

Well, you have a point here, but don't you think it plays an important role in the process.

你說得有道理,但是難道你不認爲它在整個過程中起了重要的作用嗎?

I'm not really sure if I would agree with you on that.

在這一點上我不太確定是否應該同意你.

I'm afraid I don't quite agree.

恐怕我不怎麼同意.

What you have said may be true, but I tend to think it another way.

你所說的可能是對的,但是我傾向於認爲從另一個角度考慮.

Yes, there are certainly elements of truth in what you say, but isn't it also true to say that they are not working hard enough?

是的,你說的也有正確的地方,但是說他們不夠努力不是也很對嗎?

No, I disagree with you entirely.

不,我完全不同意.

Personally I don't think much of it.

我個人可不敢恭維.

Are you absolutely sure?

你完全確信嗎?

Well, you don't seem to realize that she is correct.

你似乎並沒有意識到她是準確無誤的.