At the memory, the ghost of a smile just touched her lips before vanishing.

That cold ghost of a smile touched her lips again.

No ghost can touch him now that he has people to hide behind.

The ghost of a smile touched her lips and was gone.

A ghost of a smile touched the woman's lips.

I smiled at him, and after a moment the ghost of a smile touched his mouth too.

The ghost of a smile touched her face, though her eyes were still dark with concern.

A ghost of a smile touched her full lips.

A ghost of a smile touched the boy's mouth.

A ghost of a smile touched his mouth and then vanished.