21.   The sly smile on his face showed he had proved his point.

22.   Then with a sly smile spreading across his face, Salazar warns there will be trouble for anyone who stands in their way.

23.   When asked about the motivational tactic, Fisher had a sly smile on his face.

24.   With a designated unruly forelock and a sly smile, she has a bewitching air that almost makes me forget that her book just made me tired.

25.   With a sly smile afterward, he tried to disagree with that judgment.

26.   Navratilova says as she turns to the camera with a sly smile.