Specially if they mumble.
Reading the tea leaves as positions shuffle, listening to the kowtow and mumble of stifled resentment.
"Yes, Father,"Hassan would mumble, looking down at his feet.
By the way he met with a fine large Thistle, and, being very hungry, began to mumble it; and while he was doing so he entered into this reflection: "How many greedy epicures would think themselves happy, amidst such a variety of delicate viands as I now carry!