Я только совсем недавно догадался, о чем это. Вот о чем:

"I'll whisper it", said the Messenger, putting his hands to his mouth in the shape of a trumpet and stooping so as to get close to the King's ear. Alice was sorry for this, as she wanted to hear the news too. However, instead of whispering, he simply shouted, at the top of his voice, "They're at it again!"