(It was only the amusing John gritting his teeth, I am able to explain).
"The feeling is coming back, my boy," said the Phoenix, gritting its beak.
"I'm afraid it has," replied his comrade, gritting his teeth with displeasure.
Colon turned on the prisoner with a black face, and gritting teeth.
Gritting his teeth on the bit of his pipe, Russ cursed soundlessly.
Gritting his teeth, Alex dashed straight back for the fence.
It wouldnt be of any use to us the way we are going into the mountains, he said, gritting his teeth.
“I am not going to withdraw,” answered Jack, gritting his teeth.
Determinedly, she pushed her way through, gritting her teeth in pain.
Nicole reflected, clenching her hands and gritting her teeth.