Thorn glanced at Goff, then gave him a barely perceptible smile.

"He cries like an infant for a dictator," said Adams, a faint smile perceptible within the beard.

I think we've come pretty far in under one year, Archer thought to himself with a barely perceptible smile.

As she saw Duncan's astonished gaze, she gave a barely perceptible smile.

A barely perceptible smile touched her lips, was gone.

He noticed a barely perceptible smile on the Blue Girl's face.

With a barely perceptible smile of satisfaction, Dark urged his horse forward.

His lips curved in a barely perceptible smile.

Peter Lake's face softened momentarily into a barely perceptible smile.

There was a barely perceptible smile on her lips.