"Meeting hall," he muttered aloud, just to hear something besides the sound of the wind through the open warehouse doors.

His lips move but if he's muttering aloud, I can't hear it over the alarm.

"I was dreaming, of course," he muttered aloud to himself between his teeth.

Martin muttered aloud, as he watched the progress of the fight.

Water's high for this time of year, Mark muttered aloud.

She was awake enough to keep her thoughts from muttering aloud.

"Have to walk from here, I guess," he muttered aloud.

I also realized I'd been muttering aloud, but that part didn't matter.

He muttered aloud, but to no one in particular, "I've got to make up my own mind.

He muttered aloud and twisted the key, listening to the engine turn over.