Just tell him that the stupid foreigner doesn't understand a civilized language and would be a waste of his time.

"Why can't it be given words of a civilized language?"

"I didn't mink you had the faintest idea of how to speak a civilized language."

It doesn't make Mandarin a more civilized language either.

"Animals have no knowledge of civilized language," he told me.

"Can't anyone in this benighted place speak a civilized language?"

"Any civilized language is ambiguous because in human relationships you cannot be terribly blunt."

You said the country was almost the same as Africa and there you'd have the advantage of a civilized language.

"What good's a spy who can't talk any civilized language?"

"You'd think they could speak a civilized language," he snapped irritably.