She went on, voice calm, willing him to listen and understand.
With an effort she managed to keep her voice calm.
Tom asked her, trying to keep his voice calm and steady.
Daniel tried hard to keep his voice calm as he turned away from the door.
I got myself in hand and made my voice calm.
I said, trying to keep my voice calm, wondering if he would actually walk out right now.
It took him a minute to get his voice calm so he could speak.
I kept my voice calm and easy through an effort of will.
It was training that kept his voice calm and quiet.
He glanced at them and tried to keep his voice calm.