Smiling half-reluctance seems to promise more than the frankest gesture of desire.
The villain may be good looking, but his smile is never quite right.
To win hearts, smile kindly on people's weaknesses.
The morose one refuses to smile even when he has just had his teeth cleaned.
Arrogance frowns; pride smiles.
Fortuna smiles and frowns according to a timetable surprising even to herself.
Nostalgia paints a smile on the stony face of the past.
Sweet smiles soften judgment. Sweet haunches unseat it.
A quick smile is more seductive than a slinky dress.