| Idiom | Meaning | Example | 
| breath of fresh air | 
(See a breath of fresh air)
 | 
 | 
| breath of wind | 
(See a breath of wind)
 | 
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| breathe a sigh of relief | 
feel relieved after a time of worry
 | 
When we saw the children were safe, we breathed a sigh of relief.
 | 
| breathe down my neck | 
watch everything I do, follow me as I work
 | 
It's difficult to work with him breathing down my neck.
 | 
| breathe easy | 
relax, breathe slower, stop worrying
 | 
Mother said, "I won't breathe easy until this plane is on the ground!"
 | 
| brick | 
(See a brick)
 | 
 | 
| bridge the gap | 
help people communicate, mediate
 | 
When the staff and the manager fight, I try to bridge the gap.
 | 
| bright | 
intelligent, brainy, sharp
 | 
I left the water running. That  wasn't a very bright thing to do.
 | 
| bright-eyed and bushy-tailed | 
frisky, lively, full of life
 | 
Perry is bright-eyed and bushy-tailed tonight. He looks rested.
 | 
| bring an end to | 
(See put an end to)
 | 
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