idioms involving “clock”

On the clock

During working hours

“The factory workers are not allowed to smoke while on the clock.”

Like clockwork

With extreme regularity

“Every Monday morning, like clockwork, our boss lectures us about surfing on the Internet.”

Around the clock

24 hours per day

“The engineers have been working around the clock to finish the prototype in time for the trade show.”

Clock-watcher

An employee who works the required hours but doesn't care about the job

“Two of our team members are totally dedicated to the project and two are clock-watchers.”

Kill the clock

To waste the remaining time until a deadline or the end of a game

“The basketball team was winning with 20 seconds left in the game so they passed the ball around to kill the clock.”