Some of the workforce noticed my old car and very quickly started muttering jibes under their breath.

He started muttering words, meaningless words to get the creature used to the sound of his voice.

Once he shut up, the girl started muttering to herself like we weren't even there.

Or what if everyone starts muttering that I'm a witch?

Then the Reverend started muttering about men changing into wolves.

He came in, went to a corner, faced the wall, and started muttering to himself.

At that point, he started muttering about Silvara again.

Spyder looked at the photograph and then started muttering as he zoomed the image in on the hands.

She started muttering, probably to herself, though Fabian couldn't help overhear.

He started muttering again, something about his bedroom slippers.