[cover one's tracks] or [cover up one's tracks] {v. phr.} 1. […]

[cover the waterfront] {v. phr.} To talk or write all about […]

[cover up] {v.}, {informal} 1. To hide something wrong or bad […]

[cozy up] {v.}, {slang} To try to be close or friendly; […]

[crack a book] {v. phr.}, {slang} To open a book in […]

[crack a bottle] {v. phr.} To open a new bottle of […]

[crack a joke] {v. phr.}, {informal} To make a joke; tell […]

[crack a smile] {v. phr.}, {informal} To let a smile show […]

[crack down] {v. phr.}, {informal} To enforce laws or rules strictly; […]

[crack the whip] {v. phr.}, {informal} To get obedience or cooperation […]