Watson's tone added the unspoken rider "if that's the way you really feel about it," but she continued briskly.

His tone had added, let her prove it.

His tone added, Don't make me repeat this a third time.

To Faile and not to him, her tone added.

The deep gray tones of infrared only added to the ghoulish effect.

The tone of his voice added the unmistakable idea "and I don't care."

His tone of voice added that if anything went wrong, Van Nice would bear the responsibility.

His tone as good as added: They had better be impossible.

Watson's warm voice and conversational tone only add to the intimacy

The Shadow's whispered tone added his own approval; then he, too, was gone, closing the door behind him.