1.Birds of a feather flock together
物以类聚,人以群分。

2.A man is known by his friends.
什么人交什么朋友。

3.Keep good men company and you shall beof the number
近朱者赤，近墨者黑。

4.A friend in need is a friend indeed.
患难见真情。

5.A friend is easier lost than found
得朋友难,失朋友易。

6.A faithful friend is hard to find.
知音难觅。

7.A friend is never known til a man hasneed
需要之时方知友。

8.Misfortune tests the sincerity offriends
患难见真情。

9.Well begun is half done
良好的开端是成功的一半。

10.Agood beginin Istcomehathouae done today.
今日事,今日毕。

11.Fact speak louder than words
事实胜于雄辩。

12.Failure is the mother of sccess.
失败是成功之母。

13.A bird in the hand is worth than two inthe bush.
一鸟在手胜过双鸟在林

14.Seeing is believing
眼见为实。

15.Still water run deep
静水流深。

16.Strike the iron while it is hot
趁热打铁。

17.When in Rome, do as the Romans do.
入乡随俗。

18.Man proposes, god disposes.
谋事在人,成事在天。

19.Look before you leap.
摸清情况再行动。

20.Experiencer be bought.
吃一堑,长一智。