1. Talking mends no holes. 空谈无补。

2. It is hard to please all. 众口难调。

3. Saying is one thing and doing another. 言行不一。

4. Hear all parties. 兼听则明。

5. Send a wise man on an errand, and say nothing to him. 智者出行，无需多言。

6. A little learning is a dangerous thing. 一知半解，祸莫大焉。

7. Live and learn. 活到老，学到老。

8. Make hay while the sun shines. 抓紧时机。

9. More haste, less speed. 欲速则不达。

10. Never do things by halves. 不做半途而废的事。

11. A bad beginning makes a bad ending. 不善始者不善终。

12. A bad thing never dies. 遗臭万年。

13. A bad workman always blames his tools. 不会撑船怪河弯。

14. A bird in the hand is worth than two in the bush. 手里的鸟比林子里的两只更重要。

15. Learning is like sailing against the current； if you don't advance, you will retreat. 学习如逆水行舟，不进则退。

16. A journey of a thousand miles begins with a single step. 千里之行，始于足下。

17. If you sit still, you will never advance. 如其坐而言，不如起而立。

18. 看人挑担不吃力，自己挑担步步歇。

19. He is lifeless that is faultless. 只有死人才不犯错误。

20. He is not fit to command others that cannot command himself. 不适合领导别人的人，也不适合被领导。

这些谚语在英语四级考试中经常出现，掌握它们有助于提高英语水平和写作能力。建议在日常学习中多加积累和运用这些谚语。