She felt color rise in her cheeks as his voice lowered.

His voice lowered and became even more severe as he explained.

Then his voice lowered and he looked toward the floor.

His voice lowered a little, a sure sign of worry.

Jessica kept her voice lowered as she came close to his side.

"You are a child," she said again, her voice carefully lowered.

His voice lowered as he again took up the conversation.

His voice lowered, as though he were speaking to himself.

His voice had lowered, as though he found the admission difficult to make.

"Their crime is far more significant," it went on, its voice lowered.