..her smile, which was her pretty feature, was never so pretty as when her sprightly phrase had a scratch lurking in it.

Flowers have an expression of countenance as much as men and animals. Some seem to smile; some have a sad expression; some are pensive and diffident; others again are plain, honest and upright, like the broad-faced sunflower and the hollyhock.

A gesture, a smile, or just walking down the street is an expression.

when he smiles it's as if you'd just told him the first joke on earth.

I cannot speak well enough to be unintelligible.

Awww," Minho said. "That's almost as sweet as that time she slammed the end of a spear into your shuck face.