Cách sử dụng
The expression "take some/a lot of doing" means that something is difficult and will require a lot of effort, time, and energy to accomplish or complete. It is often used to express a challenging task or goal, such as starting a new business, climbing a mountain, or getting in shape. For example, "Getting a degree in medicine takes a lot of doing, but it will be worth it in the end." It is important to note that this expression is informal and should be used in casual conversations or writing.