| 单词 | knock |
| 释义 | Word Frequency knock(nɒk) verb 1. (transitive) to give a blow or push to; strike 2. (intransitive) to rap sharply with the knuckles, a hard object, etc, esp to capture attention to knock at the door 3. (transitive) to make or force by striking to knock a hole in the wall 4. (intransitive; usually foll by against) to collide (with) 5. (transitive) to bring into a certain condition by hitting or pushing to knock someone unconscious 6. (transitive) informal to criticize adversely; belittle to knock someone's work 7. Also: pink (intransitive) (of an internal-combustion engine) to emit a characteristic metallic noise as a result of faulty combustion 8. (intransitive) (of a bearing, esp one in an engine) to emit a regular characteristic sound as a result of wear 9. British vulgar, slang to have sexual intercourse with (a person) 10. knock a person into the middle of next week 11. knock one's head against 12. knock on the head noun 13. a. a blow, push, or rap he gave the table a knock b. the sound so caused 14. the sound of knocking in an engine or bearing 15. informal a misfortune, rebuff, or setback 16. informal unfavourable criticism 17. informal (in cricket) an innings or a spell of batting Word origin Old English cnocian, of imitative origin; related to Old Norse knoka to hit |
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