clocking

alarm clock闹钟

around the clock日以继夜地，连续一整天

clock in打卡上班；记录上班时间

clock on打卡上班

digital clock数字显示式时钟

clock tower钟楼；钟塔

against the clock分秒必争地；用秒表记时

round the clock连续一整天，昼夜不停；毫不疲倦地

biological clock生物钟

system clock系统时钟

electronic clock电子钟

time clock打卡钟，出勤记录钟

wall clock挂钟

clock frequency时钟频率，时钟脉冲频率

internal clock生物钟；内时钟；内频

clock cycle时钟周期

turn back the clock把钟拨慢

real-time clock实时时钟

turn the clock back时光倒转；回到过去；把钟拨慢

clock skew[计]时钟歪斜；时钟脉冲相位差

1. It's a quarter to4 o'clock.There are only5 minutes left to the end of the game.Our team, with a4 to0 lead, are simply running out the clock.
   现在是3：45分，离比赛结束只剩5分钟了，我们队以4比0领先，现在只是在打防守战。
2. I've set the clock for6:30 so that we can be up early to climb mountain before breakfast.
   我把表定在6：30闹响，这样我们可以早起在早饭前爬山。
3. The new censorship law will put the clock back (by) 50 years.
   新的审查条例是开倒车，要退回到50年前的水平。
4. He clocked 9.8 seconds for the 100 metres.
   他100米跑了9.