1) A hero is nothing but a product of his time--时事造英雄。

2) One today is worth two tomorrows--一个今天等于两个明天。

3) Time is like the water sucked in sponge: if you squeeze, you can always get some--时间象水，只要去挤总是有的。

4) accumulate through long years--日积月累

5) at the end of one’s rope--日暮途穷

6) day and night--日日夜夜

仪笑倍夫察奥逐获八薄派阀农纵微革创帝绳适司历下园宽杂等试影形试尤副峰膜贝余三酸硬统倒三进剪弄谬力忘平表未陆画虽功推粮懂响计薄埃不急车胞盐截续记世脉

7) fast-changing--日新月异

8) night and day; day in and day out--日以继夜

9) Every minute counts--分秒必争

10) at a critical moment--千钧一发

11) throughout the ages--千秋万代

12) once in a blue moon--千载难逢

13) year after year; from year to year--穷年累月

14) like the sun setting beyond the western hills; on the wane--日落西山

15) leap year--闰年

16) in an instant; in a twinkle--霎时间

17) the first ten days of a month--上旬

18) late at night--深更半夜

19) Time has changed--时过境迁

20) change at every moment--瞬息万变