1.none are so blind as those who won't see.视而不见。

2.none are so deaf as those who won't hear.充耳不闻。

3.no news is good news.没有消息就是好消息。

4.no one can call back yesterday.昨日不会重现。

5.no pains, no gains.没有付出就没有收获。

6.no pleasure without pain.没有苦就没有乐。

7.no rose without a thorn.没有不带刺的玫瑰。

8.no sweet without sweat.先苦后甜。

9.no smoke without fire.无风不起浪。

10.nothing brave, nothing have.不入虎穴，焉得虎子。

11.patience is the best remedy.忍耐是良药。

12.penny wise, pound foolish.贪小便宜吃大亏。

13.plain dealing is praised more than practiced.正大光明者，说到的多，做到的少。

14.please the eye and plague the heart.贪图一时快活，必然留下隐祸。

15.pleasure comes through toil.苦尽甘来。

16.pour water into a sieve.竹篮子打水一场空。

17.practice makes perfect.熟能生巧。

18.praise is not pudding.恭维话不能当饭吃。

19.praise makes good men better, and bad men worse.好人越夸越好，坏人越夸越糟。

20.prefer loss to unjust gain.宁可吃亏，不贪便宜。