Cách sử dụng
To "knock something on the head" is an idiomatic expression used to signify ending something, usually because it is no longer viable or necessary. It can be used in many contexts, such as when a plan or project is no longer working or when someone decides to quit or abandon something. For example, "We decided to knock the project on the head after realizing it wouldn't be profitable" or "I think it's time to knock this hobby on the head and find something new to do."