' clock

1.[c]时钟；钟an instrument for measuring and showing time, in a room or on the wall of a building (not worn or carried like a watch)

against the clock

抢时间；争分夺秒if you do sthagainst the clock , you do it fast in order to finish before a particular time

around/round the clock

日夜不停；夜以继日all day and all night without stopping

put the clocks forward/back

（夏时制开始和结束时）把时钟拨快╱拨回（一般为一个小时）to change the time shown by clocks, usually by one hour, when the time changes officially, for example at the beginning and end of summer

put/turn the clock back

倒退；复旧；怀旧to return to a situation that existed in the past; to remember a past age

run down/out the clock

消耗掉剩余的比赛时间（比赛接近结束时，球队不想进球而只设法控制住球，以阻止对方进球得分）if a sports team tries torun down/out the clock at the end of a game, it stops trying to score and just tries to keep hold of the ball to stop the other team from scoring

the clocks go forward/back

（夏时制）时钟被拨快╱拨回the time changes officially, for example at the beginning and end of summer

1.~ sth达到（某时间或速度）to reach a particular time or speed

2.测…的速度to measure the speed at which sb/sth is travelling

3.(informal)~ sb.~ that….~ what/where, etc.…注意到；认出to notice or recognize sb

1.袜子跟部[侧面下方]的织绣花纹

2.钟;挂钟,座钟,上下班计时计

3.【自】(电子计算机的)时钟脉冲(器)

4.〈俚〉记秒表,卡马表;〈美俚〉驾驶仪表,速度表,里程计

5.〈英俚〉(人的)面孔

6.【天】时钟座

1.织[绣]上袜跟部[侧下方]花纹

2.(用机械)记录(速度,距离,次数等)

3.为(比赛等)计时;(运动员等)用...时间跑[游]完

4.(在自动计时器上)记下考勤

1.an object that shows the time. The object like a clock that you wear on your wrist is called a watch. Clocks either have a background called a face with hands that point to the hours and minutes, or they are digital clocks that show the time as a set of numbers. You say a clock is slow when it shows a time that is earlier than the correct time. You say it is fast when it shows a time that is later than the correct time

1.to travel at a particular speed in a race; to measure or record the speed at which a person or vehicle is traveling

2.to hit someone

3.to notice someone