My dear boy, you are really beginning to moralize.

好孩子, 你真是开始说教啦.

Well, my dear boy, you still want an adjutant's post?

啊，亲爱的，怎么样？您总是想当副官吗？

And now I must fly to my dear boy to apologize to him for the wrong which I have done him.

现在我必须飞快地去找我亲爱的儿子，为我冤枉了他向他道歉。