Cách sử dụng
The expression "crunch up" is used to describe the action of tightly squeezing or compacting something, usually with a crunching sound. It can be used in various contexts, such as when someone crumples a piece of paper into a ball, or when you curl up your body tightly in a small space. It can also be used figuratively to describe a situation where there is pressure or stress and you feel like you need to crunch up your muscles or body to cope with it.