He heard his teeth grinding together and made himself stop.

Finally it stayed closed and we could hear the broken edges grinding together under the pressure.

When she thought about what they might have started, her teeth ground together.

She wondered if he could hear her teeth grinding together.

The steel and concrete bones of the structure were grinding together.

Jack can almost feel the bones of his fingers grinding together.

My teeth ground together, and I released him, stepping backward.

He could feel the bones grinding together in his hip.

His teeth ground together, and he remained silent for a long while.

His teeth ground together audibly in the silence of the room.