n (1)(时)钟(instrument for measuring and indicating time(not carried or worn like a watch))[C]：alarm/digital～s闹钟/数字钟;the church～s 教堂的钟; wind up/set a～给钟上弦/对时间;put the～right把钟拨准;The～gains/loses (time).这钟走得快/慢。put the～back/on/forward把钟拨慢/快/快;a～hand/tower(钟的)指针/钟塔;the～face表盘;〖同〗 watch;

(2)计(里)程表(instrument for measuring speed of a vehicle and recording distance travelled by a vehicle)[C]：a second-hand truck with 50，000 miles on the clock一辆计程表已指到五万英里的旧卡车;The～showed that the car had done 100，000 miles.里程计表明这车已行驶10万英里。The car has 1000 miles on the～.计程器显示这车已行驶了1000英里。〖同〗taximeter，milemeter，speedometer;

(a)round the clock夜以继日地，连续24小时地：work (a)round the～夜以继日地工作;

→′clockwise adv & adj 顺时针方向地(的);′clockwatcher n 混时间的人;′clockwork n 钟表内的机构;发条装置;

vt (1)计时(record the time of (sth) with a stop-watch;time)[T+n]：He～ed me while I ran the 100-meter race. 我跑百米赛时，他给我计时间。

(2)计程(分);达到(某)速度(record(a distance travelled，point won，etc or the speed of))[T+n，T+n+adv(up)]：～9.5 seconds for the 100 metres百米跑达到9.5秒(的速度);What time did he～for the race? 他跑了多快?(vehicle)～up 100 miles an(per)hour(车辆)时速达100英里;We～ed up 100 miles coming here.我们到达这里走了有100英里。He has～ed up more than 200，000 miles in a lifetime of cycling.他一生骑车行程已达20万英里。～(sb)in/on/out/off上/上/下/下班计时(或打卡);

(3)打，揍(strike)[T+n](BrE)(sl)：I'll～you(one) if you say that again.你再说那种话我就揍你了!