knock off
- v. 把…碰落，撞落；击倒；<非正式>停止（工作或活动），收工，下班；减价，打折，减去（一定数额）；<非正式>匆忙完成，迅速写出；<非正式>抢劫，偷窃；<非正式>杀死，干掉；仿制，模仿（设计、名牌商品等）；<非正式>击败，征服，克服
双语例句原声例句权威例句
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He removed the cigar, knocking off the ash.
他取出雪茄，敲掉烟灰。
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A new study finds it's never too late to gain health benefits by knocking off such bad habits.
一项最新研究发现，要使健康受益，任何时候戒除这些坏习惯都为时不晚。
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Kei Nishikori notched the biggest win of his career Saturday, knocking off top-ranked Novak Djokovic 2-6, 7-6(4), 6-0 in the Swiss Indoors Basel semi-finals.
锦织圭在周六取得了自己职业生涯最伟大的胜利，半决赛中，他以2:6, 7:6, 6:0的比分逆转现世界排名第一的塞尔维亚人德约科维奇。
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Michael Jackson's death led many of Pakistan's local television channels Friday morning, knocking the near constant coverage of the military campaign against Taliban militants off the top of the news lineup, if only for a few hours.
VOA: standard.2009.06.26
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But in fact, if you just run your fingers again and again over this floppy disk you are disorienting those particles or knocking them off perhaps altogether, depending on the medium.
事实上，如果你把手指一次次的在磁盘上面滑动,这些粒子就会变的无极性,或者把它们整个搞坏，而这取决于媒介。
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