Working all the time, around all hours of the clock.
Hello, to work against the clock means that you have a limited amount of time to do something in.
"Around the clock" just means 24/7, as in at all times.
Termites work 24 hours (around the clock)
This means that some person is always tending whatever it is . For example, a switchboard that is manned around the clock would always have an operator present.
if the clock doesn't work then change the clock
"On the clock" usually refers to time spent at work. "Time away" refers to time one is off work during hours one is normally working.
All day and all night. Basically 24/7.
in the opposite direction to the way in which the hands of a clock move around.
because they work around the clock. I got it from Yahoo Answers
what does the small hand on the clock mean
Twist Around the Clock was created in 1961.