His lips curled back from his teeth and now Croaker heard an eerie sound.

His lips curled from his teeth and the whip drew back for a mighty blow at my face.

His lips curled back from his teeth in a silent growl.

His lips curled back from his teeth in a savage grimace of satisfaction.

His lips curled back from his long teeth.

He stared at de Medici and his lips curled back from his teeth.

Vitor's lips curled back from his teeth in contempt.

I knew my lips were curling back from my teeth.

K'let made another hissing sound, his lip curled back from his teeth.

And he smiled often, his lips curling back from his long white teeth.