Crack down on (someone or something)

To enforce laws or rules strictly. The school principal decided to crack down on people running in the halls.

Crack a smile

To let a smile show on one`s face. Our boss never cracked a smile during the meeting.

Crack a joke

To tell a joke. The man was much fun at the party because he was always cracking jokes.

Crack a book

To open a book to study. I did not crack a book until the last week of classes.

Cozy up to (someone)

To try to be extra friendly to someone. I do not know what my neighbor wants but recently he has been trying to cozy up to me.

Cover up (something) or cover (something) up

To hide something wrong or bad. The politician tried to cover up the facts regarding the illegal campaign funds.

Cover one`s tracks

To hide where one has been, to hide what one has done. The man was trying to cover his tracks but it was easy to see where he had been.

Cover for (someone)

To do someone else's work. We always cover for each other when someone at work is sick.

Blow over

To die down, to calm down. To be forgotton. The problem with the lost receipts has blown over and everybody is happy again.

Be a new one on (someone)

To be something that one has not heard before and something that is difficult to believe. It was a new one on me when my friend said that she... Read more →