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   Knock out

   • ▪ make a person unconscious, typically with a blow to the head
   • ▪ knock down a boxer for a count of ten, thereby winning the contest
   • ▪ work so hard that one is exhausted
   • ▪ astonish or greatly impress someone
   • ▪ defeat a competitor in a knockout competition
   • ▪ destroy, damage, or disable a machine or piece of equipment
   • ▪ produce work at a steady fast rate
   • ▪ empty a tobacco pipe by tapping it against a surface

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