(a) - (the
- (a) babe in the woods
- (a) baby boomer
- (a) back-handed compliment
- (a) backroom boy
- (a) backseat driver
- (a) bad apple
- (a) bad egg
- (a) bad workman blames his tools.
- (a) bag lady
- (a) bag of bones
- (a) baker's dozen
- (a) balancing act
- (a) ball and chain
- (a) ball-breaker
- (a) ballpark estimate
- (a) ballpark figure
- (a) balls-up
- (a) banana republic
- (a) banana skin
- (a) Band-Aid
- (a) bang up job
- (a) baptism by fire
- (a) baptism of fire
- (a) bargaining chip
- (a) basket case
- (a) battle of nerves
- (a) battle of wills
- (a) battle of wits
- (a) bean counter
- (a) bear hug
- (a) beast of burden
- (a) belly laugh
- (a) Bible-basher
- (a) big ask
- (a) big cheese
- (a) big deal
- (a) big fish
- (a) big fish in a small pond
- (a) big girl's blouse
- (a) big gun
