~ R ~

Rat race
Meaning: A way of life in which people compete with each other for success in work
Example: Jess thinks health is more important and therefore has decided to get out of the rat race.

Rock the boat
Meaning: Upset a calm situation by causing trouble
Example: Joseph proposed to re-structure the design team but was told not to rock the boat.

Rough diamond
Meaning: Someone who does not seem very polite but is good in character
Example: Winnie is a rough diamond, but she is loyal to her manager.