know-all
noun /ˈnəʊ ɔːl/
  /ˈnəʊ ɔːl/
(British English) (also know-it-all North American English, British English)
 (informal, disapproving)- a person who behaves as if they know everything自以为无所不知的人;百事通 
| 词汇 | know-all | 
| 释义 | know-allnoun /ˈnəʊ ɔːl/  /ˈnəʊ ɔːl/(British English) (also know-it-all North American English, British English)(informal, disapproving) 
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