knock out

动词 v.

英文释义

动词 v.
  1. To strike or render unconscious; To strike or bump (someone or something) out. transitive
    — I accidentally knocked out the glass in my picture frame.
  2. To strike or render unconscious; To render unconscious, as by a blow to the head. idiomatic,transitive
    — The boxer knocked out his opponent in the third round.
  3. To strike or render unconscious; To put to sleep. idiomatic,informal,transitive
    — The allergy pill knocked him out for a good three hours.
  4. To strike or render unconscious; To fall asleep, especially suddenly. idiomatic,informal,intransitive
    — That's a put-you-straight-to-sleep book if there ever was one, and I knocked right out after two paragraphs.
  5. To strike or render unconscious; To exhaust. idiomatic,informal,transitive
    — Running errands all day really knocked him out.
  6. To strike or render unconscious; To impress, surpass or overwhelm (someone). idiomatic,informal,transitive
  7. To strike or render unconscious; To defeat or kill (someone). slang,transitive
  8. To strike or render unconscious; To cause a mechanism to become non-functional by damaging or destroying it. idiomatic,transitive
    — The antitank gun knocked out the enemy tank.
  9. To strike or render unconscious; To eliminate from a contest or similar. transitive
    — As they were approaching bankruptcy from being knocked out of the calculator market, they began development on the first commercially available microcomputer, the Altair.
  10. To communicate (a message) by knocking. transitive
    — The prisoner knocked out a message on the wall for the prisoner in the adjoining cell.
  11. To complete, especially in haste; knock off. informal,transitive
    — They knocked out the entire project in one night.
  12. To lose the scent of hounds in fox-hunting.
  13. To leave college after hours—after half-past ten at night when the doors have been locked. obsolete
    — "Hullo!" he said, getting up; "time for me to knock out, or old Copas will be in bed. […]"
  14. To obtain or earn (something, often money or food). Australia,transitive
  15. To sell. UK,slang,transitive

词形变化

knocks out present,singular,third-person knocking out participle,present knocked out participle,past knocked out past
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