1.a fictitious land of peace away from the turmoil of the world
世外桃源

2.until my heart stops beating
死而后已

3.Peace all year round
岁岁平安

4.Just as there is paradise in heaven,there are Suzhou and Hangzhou on earth
上有天堂下有苏杭

5.Misfortune may be an actual blessing
塞翁失马焉知非福

6.A man should be independent at the age of thirty At thirty,a man should be able to think for himself
三十而立

7.updating and upgrading(of products)
升级换代

8.Life begins at forty
四十不惑

9.Such kindness of warm sun,can't be repaid by grass
谁言寸草心报得三春晖

10.When the river rises,the boat floats high
水涨船高

11.Time and tide wait for no man
时不我待

12.break a butterfly on the wheel
杀鸡用牛刀

13.seek truth from facts;be practical and realistic;be true to facts
实事求是

14.Talk of the devil and he comes
说曹操,曹操到

15.speak the plain truth;call a spade a spade;tell it as it is
实话实说

16.Practice is the sole criterion for testing truth
实践是检验真理的唯一标准

17.No matter how high the mountain is,its name will spread far and wide if there is a fairy
山不在高，有仙则名

18.hide one's capacities and bide one's time
韬光养晦

19.sugar-coated bullets
糖衣炮弹

20.Anything unexpected may happen a bolt from the blue
天有不测风云