His mind became a silent howl of protest.
When the steel struck, Morwenna cried out, a silent howl of agony.
After a moment, he pulled the T-shirt away; his face was streaked red and his mouth was wide open in a silent howl of laughter.
It's eyes bulged and its teeth were bared in a stretched, silent howl.
He spread his arms out to the world and sent out a silent howl of tortured, fatalistic pain.
Although she never moved, it suddenly leapt up on to all fours and laid its ears down, its mouth opening in a silent howl.
Then something broke in the old man and his face crumpled, his mouth opening in a silent howl of pain, the lower jaw drawn back.
The cat's skull bared its teeth in a silent howl.
Meredith's grandfather looked as if he had been caught in the act of leaping-arms flung out, mouth forming a silent howl.
On the heels of that thought came a silent howl: Why not me?