knock
noun
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the act of hitting vigorouslybeltrapwhackwhang
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negative criticismroast
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a bad experience“the school of hard knocks”
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the sound of knocking (as on a door or in an engine or bearing)“the knocking grew louder”knocking
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a vigorous blow“the sudden knock floored him”bangsmashbeltbash
verb
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find fault withcriticizecriticisepick apart
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deliver a sharp blow or push :'He knocked the glass clear across the room'strike hard
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knock against with force or violencebump
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rap with the knuckles“knock on the door”
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sound like a car engine that is firing too earlypinkping
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make light, repeated taps on a surfacetap