这是描写时间的成语（中英文）
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 wane
