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English word:    
brush   up  

brush up

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brush up in WordNet English dictionary

verb
  1. bring to a highly developed, finished, or refined state
    "polish your social manners"
    polish  round  round off  polish up  brush up 
  2. refresh one's memory
    "I reviewed the material before the test"
    review  brush up  refresh 
WordNet Lexical Database v3.0, © 2006 Princeton University


brush up in English Wiktionary

 
  1. (verb) (idiom) To review; to improve an existing but rusty or under-developed skill.
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