backseat driver 指手划脚的人

bad egg(lot) 坏蛋

bag of bones 骨瘦如柴的人

bake down 临阵退缩

barking up the wrong tree 攻击错了目标

barter¹ away 以较便宜的价格出售

bawl² out 责骂

Be a good sport! 不要婆婆妈妈的!

be nuts 傻里傻气

be off 走吧;滚蛋

Be off! 滚开!

be on the wagon 喝酒

bear in mind 牢记在心

beat around the bush 说话绕圈子

beat it 走开

beat one's brains (out) 伤透了脑筋

beat sb by miles 远远胜过

beat, be 太累了

beef about 抱怨

beef up 加强

before you are scheduled to leave 在你决定离开之时间前

Before you could say Jack Robinson 很快

before you know it 很快

behave yourself 请检点一点

behind bars 坐牢

behind one's back 背后

behind the scenes(curtain) 在幕后