A bad beginning makes a bad ending. 不善始者不善终。 
A bad workman always blames his tools. 不会撑船怪河弯/人笨怪刀钝。
A bird in the hand is worth than two in the bush. 一鸟在手胜过双鸟在林。
A boaster and a liar are cousins-german. 吹牛与说谎本是同宗。
A bully is always a coward. 色厉内荏。
A candle lights others and consumes itself. 蜡烛照亮别人,却毁灭了自己。
A cat may look at a king. 人人平等。