"You had better be doing it right," she said between clenched teeth.

"Come to my home world," she said between clenched teeth.

He seemed to have pushed the words between clenched teeth.

"You know what to do," he said from between clenched teeth.

"I know this will do you good," she said between her clenched teeth.

"I left myself open for that one," he said between clenched teeth.

"I want that thing down," he said from between clenched teeth.

"The phone's working just fine now," she said between clenched teeth.

Through clenched teeth you suggest he put on a different pair.

Through clenched teeth, I explained once more what had happened and how important it was to get help.