1, shanzhai: In the commodity field, shanzhai usually refers to counterfeit or imitation products, that is, non-genuine or unauthorized copies, especially those handbags, clothes, shoes, electronic products and so on that imitate the designs of well-known brands. In some industries, shanzhai can also refer to a simple version that is quickly copied or completed in time, which is derogatory and implies that the quality, originality and value of the product are not as good as the original.

2. Knock over: In the physical sense, knock over refers to the action of knocking down or knocking over an object, such as "accidentally knocking over a cup". In the field of crime, knockover can also refer to the implementation of rapid criminal acts, such as robbery and theft, such as "they plan to knock over a jewelry store."