Cách sử dụng
The expression "not mess around" means to do a task or activity with great seriousness and purpose, without wasting time or fooling around. It is usually used in situations where someone wants something done quickly and efficiently. For example, a boss might tell their employees "let's not mess around, we need to finish this project by the end of the week." It could also be used in a more playful context, such as when a parent tells their child to "not mess around" and do their homework instead of playing video games. Overall, the phrase implies that there is no time to waste and that the task at hand needs to be taken seriously.