●ˌknock sth ˈoff1. ( ˌknock sth ˈout) (informal) to complete sth quickly and without much effort迅速轻松地完成◆They expect me to knock off (= write) a thousand words a day. 他们指望我一天赶出一千字。2. (BrE, slang) to steal sth偷窃◆He’s knocking off TVs and video recorders. 他在偷电视机和录像机。◆These bikes have been knocked off. 这些自行车被盗了。3. (NAmE, informal) to make a copy of a popular product to sell at a cheaper price, often illegally复制；仿冒；盗印[v + adv + n][v + n/pron + adv]▸ˈknock-off
noun
(NAmE, informal) a copy, often illegal, of a popular product sold at a cheaper price复制产品；仿冒产品；盗版产品