1．日积月累 accumulate through long years

2. 日暮途穷 at the end of one’s rope

3. 日日夜夜 day and night

4. 日新月异 fast-changing

5. 日以继夜 night and day; day in and day out

6. 分秒必争 Every minute counts.

7. 千钧一发 at a critical moment

8. 千秋万代 throughout the ages

9. 千载难逢 once in a blue moon

10. 穷年累月 year after year; from year to year

11. 日落西山 like the sun setting beyond the western hills; on the wane¹

12. 闰年 leap year

13. 霎时间 in an instant; in a twinkle

14. 上旬 the first ten days of a month

15. 深更半夜 late at night

16. 时过境迁 Time has changed.

17. 瞬息万变 change at every moment

18 遗臭万年 be cursed for ever by posterity; remain infamous in history

19 无时无刻 all the time; constantly

20 猴年马月 donkey’s years

21 与日俱增 be on the increase day by day

22 蒸蒸日上 grow more and more prosperous

23 有朝一日 someday; when the day comes

24 指日可待 can be expected soon

25 一日千里 at tremendous speed; by leaps and bounds

26 一年到头 all the year round; throughout the year

27 有生之年 the rest of one’s life; one’s remaining years

28 新纪元 new era; new epoch

29 延年益寿 prolong one’s life