"I've never known you not to be able to work and run your mouth at the same time."

She worked her mouth, as if it had suddenly gone dry.

I tried to work my vast mouth but it hurt so much.

The high prince worked his mouth for a moment, perhaps trying to get a bad taste out of it.

He worked his mouth, clearly not satisfied with the taste.

I had to work my mouth a bit to get enough spit in it to talk.

The man worked his mouth like he was getting a bad taste out of it, but no words came from him.

At leisure, she worked her mouth back to his ear.

But he was working his mouth, unable to make a sound.

Several times he worked his mouth, but no words came.