Cách sử dụng
The expression "ratchet up" means to increase something gradually or incrementally. It is often used in situations where there is a need to increase the intensity, pressure or severity of something. For example, a coach may ratchet up the training sessions for athletes in preparation for a competition or a boss may ratchet up the workload for employees during a busy period. The expression can also be used in a negative context, such as when tensions are escalating between two parties and one side is trying to make the situation worse. Overall, "ratchet up" is used to describe a gradual increase in something that usually has a measurable impact or outcome.