My chair rocked so fast I was in danger of being pitched out of it.

When he tried instinctively to straighten his shoulders, the chair rocked beneath him.

The chair rocked some more, but it didn't upset her stomach as much.

The chair rocked to a stop as Goddard's legs went tense.

The bench stepped aside to make room for her while the chair rocked a little closer.

The man jerked back so violently the chair rocked, but Pike kept him in place with the toe.

The chair rocked, then the man in the black cloak tumbled to the floor.

He threw himself violently to one side, and the chair rocked under him.

Glaring belligerently around him, he sat down hard, and the chair rocked on the stone floor.

The chair was rocking crazily, threatening to tip them both into space.