21.   That disturbed the tennis sensibilities of the fans here at the Hamlet Cup, and some whistled in disapproval.

22.   The infraction calls for an automatic penalty shot when it is whistled in the last two minutes of a game.

23.   The new coach crouches, whistle in mouth, ready to correct any signs of disorder.

24.   The students whistle in fun at their cohorts who speak from the podium.

25.   The third, a small- town lawyer and diabetic, often slept during the proceedings as his insulin pump whistled in the background.

26.   This is as irritating as someone jauntily whistling in an elevator.

27.   This jingoistic, overblown spectacle is about whistling in the dark.

28.   Thinking they might actually get by him twice in a row is whistling in the dark.

29.   Whistling in the dark?

30.   Whistling in the dark.