clock1/klɑk; klɒk/n 1 [C] an instrument that shows the time. Clocks are fixed on a wall or kept in a room(时)钟: What time does that clock say ? 那个钟上显示是几点?set a clock (=adjust a clock so that it shows the correct time) 设定时钟Mary set her alarm clock for 7.00 a.m. 玛丽把闹钟设定在早上 7 点。The clock had stopped . 钟停了。the clock is slow/fast (=is showing an earlier or a later time than it should) 钟慢了/快了the ticking of the clock (=the sound it makes)钟的嘀嗒声by the church/bedside/kitchen etc clock (=according to a particular clock) 根据教堂/床边/厨房等的钟 It was 5.30 am by the kitchen clock. 厨房里的钟是早上五点半。The church clock struck three (=rang three times, to show that it was three o’clock). 教堂的钟敲了三下。put the clocks forward/back BrE (=change the time shown on a clock by one hour. In Britain, people have to do this twice a year.)【英】把钟拨快/拨回(一小时)2 around the clock, round the clockBrE all day and all night without stopping【英】日夜不停地﹐夜以继日地: Rescue teams worked around the clock . 搜救队夜以继日地工作。3 against the clock if you do something against the clock, you do it as fast as possible, because you do not have much time 抢时间﹐分秒必争4 turn/put the clock back to make a situation the same as it was in the past 倒退﹐开倒车: It's feared the new law will turn the clock back 50 years. 人们担心这条新法律会使情况倒退 50 年。5 [C] an instrument in a vehicle that tells you how far it has travelled or how fast it is going〔汽车的〕行车里程计﹔车速表O’CLOCK
clock2v [T] 1 to measure the speed at which someone or something is moving 测…的速度: The police clocked him at 160 kilometres an hour. 警方测出他的时速为 160 公里。 2 to cover a distance or reach a speed in a particular time 以…的速度行进﹔达到〔某速度〕: Karen won the race, clocking 49.2 seconds. 卡伦跑出 49.2 秒的成绩﹐赢得了比赛。clock up sthphr v to reach a number or amount 达到〔某个数字或数量〕: We clocked up 125,000 miles on our old car. 我们的旧车跑了 125,000 英里。