The bitter lines of age were visible now, cutting across his cheeks.

His lips were set in too bitter a line even for the cynical supervisor.

"Yeah, big day ahead," he said, and his mouth was too young to twist into such bitter lines.

For just an instant his mouth set into a bitter line.

The young face across the table twisted into bitter lines.

A bitter little line appeared at the corner of her lips, something that was not quite a smile.

He sat looking at me, his mouth turned down in a bitter line.

For a moment he paused, the bitter lines around his mouth deepening.

He stared at her, mouth set in a bitter line.

Kate stared back at him, her mouth set in a bitter line.