Cách sử dụng
The expression "like nobody's business" means doing something really fast or really well, almost as if there is nobody else in the world who can do it better or faster. It's often used when talking about someone's skills or abilities. For example, "She can knit like nobody's business" means that she's a really talented knitter and can do it very quickly and with great skill. The expression is informal, and can be used in casual conversation or writing, but not necessarily in a formal or professional setting.