B

Idiom Starting From B

Back Seat Driver: 
People who criticize from the sidelines, much like someone giving unwanted advice from the back seat of a vehicle to the driver.

Back To Square One: 
Having to start all over again.

Back To The Drawing Board: 
When an attempt fails and it's time to start all over.

Baker's Dozen: 
Thirteen.

Barking Up The Wrong Tree: 
A mistake made in something you are trying to achieve.

Beat A Dead Horse: 
To force an issue that has already ended.

Beating Around The Bush: 
Avoiding the main topic. Not speaking directly about the issue.

Bend Over Backwards: 
Do whatever it takes to help. Willing to do anything.

Between A Rock And A Hard Place: 
Stuck between two very bad options.

Bite Off More Than You Can Chew: 
To take on a task that is way to big.

Bite Your Tongue: 
To avoid talking.

Blood Is Thicker Than Water: 
The family bond is closer than anything else.

Blue Moon: 
A rare event or occurance. 

Break A Leg: 
A superstitious way to say 'good luck' without saying 'good luck', but rather the opposite.

Buy A Lemon: 
To purchase a vehicle that constantly gives problems or stops running after you drive it away.