Cách sử dụng
When someone says "roll up your sleeves", it means they want you to start working hard and get involved in the task at hand. It usually implies that the work will be physically demanding, such as cleaning a messy house or working in a garden. The expression comes from the idea of preparing for work by rolling up your sleeves so they don't get in the way or dirty. So, when someone tells you to "roll up your sleeves", it's time to get your hands dirty and start working hard towards a goal.