I met the prince when I was travelling with your grandfather.

我跟你祖父出行时遇见了亲王
Nothing could be more respectable.

我们没做什么有失体统的事
Whatever you say.

随您说吧
Away with your impertinent conclusions!

少乱揣测我
My only conclusion is this -

我唯一得出的结论就是
I know now you understand my predicament far better than you let on.

我现在知道您对我的难处比您说得要了解得多
Have you made plans to see your admirer again?

你打算再见你的倾慕者吗
Drive on.

开车