"an ace reporter"; "a crack shot"; "a first-rate golfer"; "a super party"; "played top-notch tennis"; "an athlete in tiptop condition"; "she is absolutely tops"
"there was a crack in the mirror"
"the crack of a whip"; "he heard the cracking of the ice"; "he can hear the snap of a twig"
"he took a crack at it"; "I gave it a whirl"
"he opened the window a crack"
"he wanted a shot at the champion"
"His gun cracked"
"The teacher cracked him across the face with a ruler"
"The glass cracked"
"she cracked my password"; "crack a safe"
"crack a joke"
"heat and light cracked the back of the leather chair"
"The petroleum cracked"
"Registrations cracked through the 30,000 mark in the county"