know what one is talking about

I really do not know what you are talking about.

But he denied it in front of everyone, saying, "I do not know what you are talking about!"

Before an accusation is made folks know what you are talking about.

How is a man to know what you are talking about?'

By the way, be sure you know what you are talking about in response.

A. So you want me to answer without knowing what you are talking about?

Heaven knows what you are talking about when you say it is hard work.

If you say "bus station" they will not know what you are talking about.

James, again you don't know what you are talking about.

Sorry, but you don' t know what you are talking about.

Please, do not talk like an authority if you don't know what you are talking about.

One big advantage is that you don't have to know what you are talking about.

Yet another tedious example of you not knowing what you are talking about.

And if you say, one o'clock in the afternoon, they do not know what you are talking about.

"I wish I knew what you are talking about, honey."

Please go to the web site, all you people who advocate knowing what you are talking about.

The temptation to speak up when you don't know what you are talking about must be very great.

"Ya, you can call me a fool and know what you are talking about.

If one knows what you are talking about."

"How will I know what you are talking about unless I see it?"

But you have another very annoying attribute-you seem to know what you are talking about.

If you don't mention your subject enough times, then the reader may not know what you are talking about.

Before you bash someone, you might want to know what you are talking about.

They came back to the phone and said, 'We don't know what you are talking about.' "

"I don't know what you are talking about, my good fellow," said the man, and pushed by the Inspector impatiently.