| Idiom | Meaning | Example | 
| ripped off | 
cheated, taken  
 | 
Dar paid too much for the watch. He got ripped off.
 | 
| rise and shine | 
wake up and be happy, get out of bed smiling
 | 
"Rise and shine," he called to us each morning - at 6 a.m.!
 | 
| rise to the occasion | 
be able to do what is needed at the time
 | 
When we need a speaker, Ed rises to the occasion. He speaks well.
 | 
| risky business | 
a risky plan, a gamble
 | 
Being a peacemaker is risky business. You could get shot!
 | 
| ritzy | 
very nice, luxurious, putting on the ritz, snazzy
 | 
Curt has a ritzy apartment in Berlin. It's a neat pad !
 | 
| road apple | 
a frozen horseturd used as a puck for road hockey
 | 
Let's play hockey. You get the sticks and I'll find a road apple.
 | 
| road to hell is paved... | 
(See the road to hell is paved
 | 
with good intentions )
 | 
| Roaring Twenties | 
the decade following World War I (1920-1929)
 | 
In the Roaring Twenties, ladies had short hair with kiss curls.
 | 
| rob Peter to pay Paul | 
move money from one   part of a budget to another
 | 
If we use grocery money to buy gas, we rob Peter to pay Paul.
 | 
| rob the cradle | 
court a person who is too young, date a minor
 | 
You're seeing Lisa? She's only 17! That's robbing the cradle!
 |