a bad egg 坏蛋 坏东西
a bad scene 糟糕 惨不忍睹
a bad workman blames his tools 推诿责任 诿过于物
a battery 一套 一组
a beauty parlor 美容院
a big deal 大事
a bird in the hand is worth two in the bush 一鸟在手胜于两鸟在林 双鸟在林不如一鸟在手
a bit of 一阵子 有点儿
a bit off 有点疯
a bit prickly 动辄发火
a blessing in disguise 因祸得福
a body of evidence 一系列证据
a bolt from the blue 意外 晴天霹雳
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