A bad beginning makes a bad ending.
 恶始必有恶终 

A bad padlock invites a picklock.
 坏锁招人撬。
 
A bad penny always comes back.
 伪币迟早归原主。
 
A bad workman quarrels with his tools.
 人笨怨刀钝。
 
A baited cat may grow as fierce as a lion.
 被逼急的猫，凶得像狮子。
 
A barely-corn is better than a diamond to a cock.
 对于公鸡来说 ,麦粒胜过钻石.
 
A bargain is a bargain.
 成约不能翻悔。
 
A beard well lathered is half shaved.
 皂沫涂得好 ,胡须半剃掉. /磨刀不误砍柴工.
 英语谚语
 
A beggar can never be bankrupt.
 乞丐永远不会破产。
 
A belly full of gluttony will never study willingly.
 吃得过饱，懒得学习。
 
A big wind can blow through a small hole.
 针尖大的窟窿，斗大的风。
 
A bird in the hand is worth two in the bush.
 双鸟在林 ,不如一鸟在手。
 
A bird is known by its note, and a man by his talk.
 闻声知鸣鸟，闻言见人心。
 
A bit in the morning is better than nothing all day.
 上午有一点收获 ,总比全天无收获好.
 
A black plum is as sweet as a white.
 黑梅白梅一样甜。
 
A blind man will not thank you for a looking-glass.
 瞎子不谢赠镜人
 
A blunt knife may be sharpened on a stone, but if a man is stupid there is no help for his stupidity.
 刀钝石上磨，人蠢没奈何。
 
A boaster and a liar are all one.
 吹牛撒谎一家亲。
 
A boisterous horse must have a boisterous bridle.
 烈马要套上好辔头。
 
A bonny bride is soon buskit [=dressed].
 美丽的新娘好打扮
 
A book is a success when people who haven't read it pretend they have.
 一本书如果没有看过的人也冒充看过，便是成功的。
 
A book that is shut is but a block.
 有书不读如藏木
 
A bow long bent at last waxes weak.
 良弓张久必驰
 
A bow long bent grows weak.
 常拉满弓无力。
 
A brave man may fall, but he cannot yield.
 勇者可能跌倒 ,但不会屈服.
 
A brave man risks his life, but not his conscience.
 勇敢的人可用生命冒险，但不以良心冒险。
 [德]Schiller 席勒
 
A bribe will enter without knocking.
 贿赂毋须敲门而入。
 
A bride is diligent for three days.
 新娶媳妇三日勤