She spoke through chattering teeth.
The little princess was sitting at a small table, chattering with Masha, her maid.
He and Fred began chattering away about past bargains found and Internet profits reaped.
Her words were barely comprehensible through chattering teeth as she leaned over the stove.
Tremors of the muscles more or less violent accompany the cold sensations, beginning with the muscles of the lower jaw (chattering of the teeth), and extending to the extremities and trunk.