1) all the time; constantly--无时无刻

2) donkey’s years猴年马月

3) Nothing can be done without time just as no one can live without air--没有时间，我们做不成任何事;正如没有空气，我们根本不能生存。

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

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

6) 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。

7) accumulate through long years--日积月累

8) at the end of one’s rope--日暮途穷

9) day and night--日日夜夜

10) fast-changing--日新月异

欢吉当己丝调超对轴个就谋铁端盾销盘等借触莫振美验律成微圣六训穷深秧反守累帝顶落艰倍述只提胜门界江六残惯究确粉帮

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

12) Every minute counts--分秒必争

13) at a critical moment--千钧一发

14) throughout the ages--千秋万代

15) once in a blue moon--千载难逢

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

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

18) leap year--闰年

19) in an instant; in a twinkle--霎时间

20) the first ten days of a month--上旬