In an awed voice he gave utterance to a most outlandish rattle of sound, the like of which his hearers never had heard.

In conclusion he touched his mouth and ears and shook his head solemnly.

Hugh, taking the cue, repeated the performance.
"That signifies that we don't understand each other.

He sha'n't beat me on the sign language," he said.

"I believe this is a great time to work in something dramatic.