Cách sử dụng
The expression "around/round the clock" means all day and all night without stopping or taking a break. You can use this expression when talking about something that requires continuous or non-stop attention, like a hospital providing care to patients or a factory running non-stop to produce goods. It can also be used to describe a situation where someone has to work very hard for a long time without taking a break. For example, "During the holiday season, retail workers work around the clock to keep up with the demand."