| Idiom | Meaning | Example | 
| couldn't care less | 
could not care any less, do not care at all
 | 
"Brad is seeing Debbie." "I know. And I couldn't care less."
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| count on | 
depend on, rely on
 | 
We can count on Tanya. She always comes to choir practice.
 | 
| count your chickens before they hatch | 
depend heavily on plans, spend money that you have not received
 | 
Politicians have learned not to "count their chickens" before the election.
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| course you can | 
you can do it, believe it, of course you can
 | 
"I don't think I can learn this."   "Course you can, son."
 | 
| courseware | 
computer program that teaches a course
 | 
We sell courseware to schools all over North America.
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| courtesy of | 
from, given by, donated by
 | 
The doughnuts are courtesy of Harry's Bakery.
 | 
| cover for me | 
make an excuse for me, do my work
 | 
I may be late for work today. Will you cover for me?
 | 
| cover up | 
hide it, sweep under the carpet
 | 
He can't cover up his mistake because people know about it.
 | 
| cover-up | 
hiding something from the authorities or media
 | 
The reporter heard about the cover-up of police brutality.
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| cover your ass [B] | 
protect yourself by having documents signed etc.
 | 
If you discipline or dismiss an employee, cover your ass.
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