knock

🇬🇧/nɒk/ 🇺🇸/nɑːk/📚 6617 20 3中考高考

If you knock on something such as a door or window, you hit it, usually several times, to attract someone's attention. ^敲

verb [vt. 及物动词]敲，击；碰撞，碰倒；把……撞击成;敲动，打破；打，凿（洞）；（尤指因故障）发碰撞声，嘭嘭作响；挑剔，无端指责

She went directly to Simon's apartment and knocked on the door. ^{她径直走到西蒙的住处，敲了敲门。}

noun [具体名词]敲打声，（尤指）敲门声；打击，捶击，撞击

knock 出现在下面的课文中: Lesson 115&116 Knock, knock! knock 动词: 敲，打; Lesson 24 It could be worse; Lesson 13 'It’s only me'

近义词kick/kɪk/^{vt. 踢；反冲，朝后座}

易混淆lock🇬🇧/lɒk/ 🇺🇸/lɑːk/^{vt. 锁，锁上；隐藏}

词组	含义	例句
knock out	击败，淘汰：在比赛中击败对手或使其被淘汰出局。	The underdog team managed to knock out the defending champions in the quarterfinals.^{弱旅队在四分之一决赛中成功淘汰了卫冕冠军。}
knock at	敲门：指警察或士兵前来拘捕或带走某人的行为。	I heard a knock at the door and knew the police had arrived.^{我听到有人敲门，知道警察已经到了。}
knock on	撞击撞出；敲击（门、窗）	No sooner had I sat down than there was a loud knock on the door.^{我刚坐下就有人大声敲门。}
knock over	撞倒	Jim was knocked over by a bus this morning. ^{今天上午吉姆被一辆公共汽车撞倒了。}
knock off	停止做某事，尤指工作	I'm going to knock off early today and go to the movies.^{我今天打算早点下班去看电影。}
	碰掉	You always knock things off the table. ^{你总是碰掉桌上的东西。}
	（价格上）减去，除去，打折扣	They knocked five dollars off the price of the coat.