Possible Clues:

• What a blow, by the sound of it!
• An explosion due to the cold?
• Suddenly expire, having snuffed it?
• What a blow that one knows where it comes from, by the sound of it
• An explosion due to the cold
• Outburst that's the result of irritation
• A report from the sick room
• Sounds as if it's cold
• By the sound of it, blue with cold
• That blessed thing!