brush up

短语

刷干净, 复习, 提高 [机] 刷新, 擦光

发音

AU

词形变化

brushed up brushes up 三单 brushes up brushing up brushing up 现在分词 brushed up 过去式 brushed up 过去分词

释义与例句

v.
  1. 1.

    To paint, or make clean or bright with a brush.

    April 10, 1706, Alexander Pope, letter to William Wycherley You have commissioned me to paint your shop, and I have done my best to brush you up like your neighbours.

  2. 2.

    To review; to improve an existing but rusty or underdeveloped skill.

    习语

    I'll need to brush up (on) my Greek before my trip to Athens.

  3. 3.

    To beat up, annoy or insult (someone).

    俚语 及物

词汇关系