1 an instrument that shows you what time it is 时钟:
an alarm clock闹钟a church clock教堂的钟☞Look at watch. 参看watch。
2 an instrument in a car that measures how far it has travelled (汽车的)里程计,里程表:
My car has only got 10000 miles on the clock.我汽车上的里程表显示只走了10000英里。
against the clock if you do sth against the clock, you do it fast in order to finish before a certain time (为如期完成任务)争分夺秒:
It was a race against the clock to get the building work finished on time.为了让大楼工程如期完成而与时间赛跑。around/round the clock all day and all night 日夜不停;夜以继日:
They are working round the clock to repair the bridge.他们正日夜抢修这座桥梁。put the clock/clocks forward/back to change the time, usually by one hour, at the beginning/end of summer (在夏季开始或结束的时候)把钟拨快或拨慢(通常为一小时)
clock²
/klɒk ||; klɑk/verbclock in/on; clock off to record the time that you arrive at or leave work, especially by putting a card into a type of clock 记录上下班时间(尤指把记录卡放入记时计);打卡
clock sth up to achieve a certain number or total 达到(某一数目):
Our car clocked up over 2000 miles while we were on holiday.我们度假的时候开车跑了2000多英里。