A bad beginning makes a bad ending. 恶其始者必恶其终。
A bad bush is better than the open field. 有胜于无。
A bad compromise is better than a good lawsuit. 吃亏的和解也比胜诉强。
A bad conscience is a snake in one''s heart. 做贼心虚。
A bad custom is like a good cake, better broken than kept. 坏习惯像鲜馅饼，分食要比保存好。
A bad padlock invites a picklock. 开门揖盗。
A bad penny always turns up.
A bad thing never dies. 坏事传千年。
A bad workman quarrels with his tools. 拙匠常怨工具差(人笨怨刀钝)。
A bargain is a bargain. 达成的协议不可撕毁。
A beggar''s purse is bottomless. 乞丐的钱袋是无底洞。
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. 闻其歌知其鸟，听其言知其人。
A bird may be known by its song. 什么鸟唱什么歌。
A bit in the morning is better than nothing all day. 略有胜于全无。