a straight face

Can she say they are good with a straight face?

He put his head on one side, but kept a straight face.

They turned to see me and I had to work to keep a straight face.

Not an easy thing to say with a straight face, is it?

Sometimes it's more about trying to keep a straight face.

How can you say that and keep a straight face?

It was all I could do to keep a straight face.

If he kept a straight face it's better than I could do.

Can you say that's a new thing with a straight face?

And she would have been able to say it a with a straight face.

He is going to have to keep a straight face, and deal with it.

And can both of you keep a straight face while all this is going on?

She did her best to keep a straight face but it was no good.

Now, of all times, I have to keep a straight face.

"I want to see if you can keep a straight face."

Can Brown stand up with a straight face and say it's true?

Not even the chief justice could keep a straight face any more.

It took no small effort to keep a straight face.

I was having a hard time keeping a straight face.

Except, how could anyone do it with a straight face?

Look at her telling him that with a straight face.

I sort of nodded and tried to keep a straight face.

I smiled on the inside, but kept a straight face.

It was no longer possible to maintain a straight face.

She had learned to lie with a straight face, however.