Do what?

什么
Never mind.

没事
Am I really a stranger?

我真的是个陌生人了吗
Do you not recognise me at all?

你真的完全认不出我了吗
It feels very odd to be talking so formally.

我们说话这么客套感觉很怪
The whole situation is certainly odd, that I freely admit.

整个情况确实非常怪这我承认
The war may be at an end, but the upheaval is only beginning.

战争虽然即将结束剧变却才刚刚开始
Oh, how right you are.

您说得太对了
That is why Downton Abbey still has such an important role to play.

正因如此唐顿庄园仍有重要的职责
Oh, dear me.

天呐
There's so much to be done.

有很多要做的事
When you think of all the children laid up with disease...

想想那些患病的孩子...