B.T.O. big time operator 浪费时间
back in the saddle 重整旗鼓
bad hair day 头发不整
ball up/fold up/bust/flop 失败
bally-ho 大吹大擂
bang up 了不得
barf up one's guts 翻肠倒肚地呕吐
bash 大型派对
basket case 过渡紧张/精神将要崩溃
bawl out 碰钉子
bean pole 高佬
beat gums 空洞无物的讲话
beat him on the spot 当场把他打败
beat one's head against the wall 白费力气
beat one's brain (out) 做事困难，伤透脑筋
beat sb to the draw 抢先某人一步
beat someone by miles 远远强于某人
beautiful but dumb 木美人
beef 抱怨
before you know it 很快
behind the scenes 幕后人物
belch (to) 大声而且粗鲁地打嗝
bell the car 为了众人的利益而承担风险
bend over backwards 竭尽全力
bet on it 有把握
bet your life 你绝对错了
between a rack and a hard palce 进退维谷
between ourselves 秘密地说
big headed 傲慢/自大
big style 大派头
big time 很
biggie 大人物/很重要的事物
bite one's tongue 保持沉默
bite the dust 一败涂地/率在地上
Black Maria 警用大车
blast 欢乐时光
blimp 大胖子
blind leading the blind
bloody money 不义之财
blow it big time 严重的错误
blow one's lines 忘记台词
blow something (all) out proportion 言过其实
boiling point 高潮（恋爱）
bologna 乱讲
bomber 巨型女人
booboo 错误
boogie woogie 淫荡之声
book someone to 警方将某人记录在案
boot-legging 卖私酒者
bootlick 拍马屁
bossy 专制的
bound to 必定
break out in a cold sweat to 突然全身冒冷汗
bric-a -brac 小摆设
bring them back alive 将他们活捉回来
broomstick 瘦如竹扫把
bud/buffed朋友
buffed 肌肉发达的
build castle in the air 空中楼阁
bull session 长谈
bummed 失望的
thanks a bunch 十分感谢
burger joint 汉堡店
burn bridge 过河拆桥
burn one's finger 遇到挫折
burn one's boats/bridges 破釜沉舟,自断后路
burn rubber 突然加速
bury one's head in the sand 逃避
bury the hachet 放下武器言和
butter and egg man 有势力的人
butterfingers 抓东西部稳的人
buy into something 接受某事物
buy your story 相信你的鬼话
by and large 大体上
by golly 天啊
by hook or by cook 不择手段
by jove 天啊
。