body and breeches 完全
    boil down to 歸結(jié)起來是;其結(jié)果是
    boiling point 愛情的沸點(diǎn)
    bolt from the blue 晴天霹靂
    bone up on 努力研讀
    born with a silver spoon in one's mouth 出生富貴
    born yesterday 乳臭未干
    bottoms up 干杯
    Bottoms up! 干杯!
    brain storm 心血來潮
    brand new 嶄新的
    break down 故障;毀壞
    break in 適合
    break it off 吹了
    break one's heart 使某人心碎
    break one's neck 痛打一頓;拼命做某事
    break the ice 打破僵局;打破沉默
    break the routine 調(diào)劑一下
    bred in the bone 天生的;個(gè)性的
    bring back the good old days 回憶昔日好時(shí)光
    bring down the house 掌聲雷動(dòng)
    bring me up-to-date 告訴我最新消息
    bring sb to date 使某人掌握最先進(jìn)東西
    brotherly impulse 激動(dòng)手足的情分
    brush off (男女之間)甩;撇開
    brush up on sth 復(fù)習(xí),重新學(xué)習(xí)
    buck up 振作起來