expression

broaden someone’s horizons: Idiom Meaning and Origin

bred-in-the-bone: Idiom Meaning and Origin

break it to: Idiom Meaning and Origin

break a leg: Idiom Meaning and Origin

brass monkeys: Idiom Meaning and Origin

branch out: Idiom Meaning and Origin

box someone’s ears: Idiom Meaning and Origin

bottom bitch: Idiom Meaning and Origin

borganism: Idiom Meaning and Origin

bored out of one’s mind: Idiom Meaning and Origin

book in: Idiom Meaning and Origin

boil over: Idiom Meaning and Origin