(as) easy as A, B, C

See: as easy as pie

• close the door on something
• close to heart
• close to home
• close to someone's heart
• close to the bone
• close to your heart
• close up shop
• Close your eyes and think of England.
• close your eyes to
• close your eyes to something
• closing the stable door after the horse has bolted
• cloth ears
• cloud on the horizon
• clue in
• clue someone in
• clutch at straws
• C-note
• coast is clear
• coast to coast
• coast-to-coast
• cock-and-bull story
• cock a snook
• cock of the walk
• coffee table book
• cog in the machine