(1) Police are cracking down hard on drug dealers.

(2) We were sitting round the fire cracking nuts .

(3) She's always cracking jokes.

(4) He rubbed his hands together, cracking his knuckles as he tried to control his anger.

(5) The library is cracking down on people who lose their books.

(6) Police forces will exchange ideas on cracking crime.

(7) They set off at a cracking pace.

(8) She's cracking up under the strain.

(9) I was beginning to think I was cracking up!

(10) The old institutions are cracking.

(11) That was a cracking goal.

(12) The government is cracking down on misleading food labelling.

(13) Fred keeps cracking rude jokes with the guests.

(14) The police are cracking down hard on violent crime.

(15) We've no time to waste, so let's get cracking.

(16) That was a cracking shot he played.

(17) Wooden decks should be sealed to prevent cracking.

(18) He kept cracking jokes about my appearance.

(19) You should have heard them cracking him up!

(20) She's in cracking form at the moment.

(21) He was cracking on about having colour TV.

(22) Changing stresses bring about more cracking and rock deformation.

(23) I think she's cracking up.

(24) We've got two cracking games to look forward to.

(25) Mark, you'd better get cracking[Sentencedict.com], the sooner the better.

(26) Police are cracking down on drug dealers.

(27) Father was cracking the nuts.

(28) Things are terrible at work and people are cracking under the strain. Sentencedict.com

(29) Sun removes the oil and wax, leaving the leather prone to cracking.

(30) With technical details of the security system already circulating on the Internet, instructions for cracking it will almost certainly make their way into the computer underground.