| Idiom | Meaning | Example |
| brush up on |
review, relearn or practise; bone up on
|
The teacher said I should brush up on my spelling - try to improve.
|
| brush with death |
nearly die, at death's door, on my deathbed
|
After a close brush with death you'll think that life is precious.
|
| brush with the law |
an illegal act, a minor crime
|
Judd told me about his brush with the law - a shoplifting charge.
|
| buck |
dollar, greenback, loonie
|
When I earn some bucks, I'm going to buy a stereo.
|
| buck fever |
nervous, unable to perform well, choke
|
Every time I play in a competition I get buck fever. I get so nervous.
|
| buck stops here |
(See the buck stops here)
|
|
| buck up |
be strong, be positive
|
Buck up, my friend. You will soon be finished with exams.
|
| buckle down |
work harder, try harder, bite the bullet
|
Next term I'm going to buckle down and get good grades.
|
| buckle under |
quit, lose, not try, give up
|
We're losing, but we won't buckle under. We won't quit.
|
| buckle up |
fasten your seat belt, buckle your seat belt
|
Buckle up. Dad won't drive away until we fasten our seat belts.
|