Willie's teeth grated as though he had been punched in the face, and his ears rang.

I could almost hear his teeth grate, the frustrations he felt was so violent.

His teeth grated together as he tried to control the anger building up inside him.

I could hear my teeth grate together and forced myself to keep control.

His teeth grated along the naked bone, and I screamed.

Hal felt its teeth grate on the bone of his leg.

And felt his teeth grate as a titanic struggle took place inside him.

Even my pencil scratching on the paper makes his teeth grate.

The Baron's teeth grated like nutshells being ground against stone.

Her teeth grated to hold it back, but the battle was useless.