1. hour after hour : 连续地；
2. by the hour : 按钟点；
3. at the eleventh hour : 在最后时刻；
4. on the hour : 准点地；
5. after hours : 工作完毕后；
6. serve the hour : 随波逐流, 趋炎附势；
7. zero hour : 发动进攻的时刻, 关键时刻, 零时；
名词
参观
更改约会时间
乘火车
1. 小时
An hour is a period of sixty minutes.
2. 长时间
People say that something takes or lasts hours to emphasize that it takes or lasts a very long time, or what seems like a very long time.
3. （时钟的）钟点，整点
A clock that strikes the hour strikes when it is exactly one o'clock, two o'clock, and so on.
4. 时间;时刻
You can refer to a particular time or moment as a particular hour .
5. （人一生中的某个）时候，时期
If you refer, for example, to someone's hour of need or hour of happiness, you are referring to the time in their life when they are or were experiencing that condition or feeling.
6. （每天发生或进行某事的）特定时间，固定时间
You can refer to the period of time during which something happens or operates each day as the hours during which it happens or operates.
7. （每周的）工作时间
If you refer to the hours involved in a job, you are talking about how long you spend each week doing it and when you do it.
8. - see eleventh hour;lunch hour;rush hour
9. 下班后;营业（或办公、学习）时间以后
If you do something after hours, you do it outside normal business hours or the time when you are usually at work.
10. 在（某一时段的）任何时刻
If you say that something happens at all hours of the day or night, you disapprove of it happening at the time that it does or as often as it does.
11. 在凌晨;在下半夜
If something happens in the early hours or in the small hours, it happens in the early morning after midnight.
12. 长时间地;不停地
If you say that someone does something hour after hour, you are emphasizing that they do it continually for a long time.
13. 整点地
If something happens on the hour, it happens every hour at, for example, nine o'clock, ten o'clock, and so on, and not at any number of minutes past an hour.
14. 整点差…分/ 整点过…分
If you want to state the time exactly, you can give a number of minutes followed by before the hour or past the hour .
15. 在通常营业（或工作、学习）时间之外
Something that happens out of hours happens at a time that is not during the usual hours of business or work.
1. distance measured by the time taken to cover it
e.g. we live an hour from the airport
its just 10 minutes away
Synonym: minute
2. a period of time equal to 1/24th of a day
e.g. the job will take more than an hour
Synonym: hr60 minutes
3. clock time
e.g. the hour is getting late
Synonym: time of day
4. a special and memorable period
e.g. it was their finest hour