1. a beggar's purse is bottomless. 乞丐的钱袋是无底洞。

2. a bird in the hand is worth two in the bush. 双鸟在林不如一鸟在手。

3. 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。

4. a bird may be known by its song. 什么鸟唱什么歌。

5. a bit in the morning is better than nothing all day. 略有胜于全无。

6. a bad padlock invites a picklock. 开门揖盗。

7. a bad penny always turns up.

8. a bad thing never dies. 坏事传千年。

9. a bad workman quarrels with his tools. 拙匠常怨工具差(人笨怨刀钝)。

10. a bargain is a bargain. 达成的协议不可撕毁。

11. a bad beginning makes a bad ending. 恶其始者必恶其终。

12. a bad bush is better than the open field. 有胜于无。

13. a bad compromise is better than a good lawsuit. 吃亏的和解也比胜诉强。

14. a bad conscience is a snake in one's heart. 做贼心虚。

15. 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。

16. a blind man who leans against a wall imagines that it's the boundary of the world. 坐井观天。

17. a blind man will not thank you for a looking-glass. 秋波送盲，白费痴情。

18. a book is the same today as it always was and it will never change. 一本好书今天如此，将来也如此，永不改变。

19. a book that remains shut is but a block. 有书闭卷不阅读，无异是一块木头。

20. a borrowed cloak does not keep one warm. 借来的斗篷不暖身。( 励志