Cách sử dụng
"Knock off" is an English expression that is used to describe when someone stops doing a certain activity, usually work or task-related, at the end of the day. For example, "I'm going to knock off work at 5 pm" means that someone is going to stop working at 5 pm. It can also be used to describe a cheaper or imitation version of a product, for example, "I bought knock-off sneakers for a cheaper price than the real brand."