Calhoun's expression and tone of voice never wavered.

Her tone wavered the least bit.

Kaytok asked, his tone wavering somewhere between fear and annoyance.

It was frightening how the singsong tone of voice never wavered.

"Go on," the prophet said, his tone never wavering.

"Oh," she said, her tone wavering between relief and disbelief, not quite sure which way to go.

Sally's tone wavered a little at the thought "Nice Imperial girls.

Her tone wavered between curiosity and her previous contempt.

His tone wavered between anger and genuine concern.

Saint-Just's expressionless tone never wavered, and the citizen colonel cleared his throat again.