Despite her polite tone, Uhura's voice cut through the conversation.

He kept his tone polite and calm, inviting the man on the other end to keep talking.

He licked his lips and spoke in a more polite tone.

It was, she thought, her "polite tone that got results."

Other letters he answered as appropriate, trying to keep the tone polite.

"I should like to explain something," began George, in a polite tone.

The polite tone, in the first instance, gave him away.

He lost some of his cheeky look, and began to speak in a polite tone.

Keeping up the polite, friendly tone of colleagues in the same office building.

"No." She tried not to be hurt by his polite, distant tone of voice.