buff up

短语

发音

AU

词形变化

buffed up buffing up buffs up 三单 buffs up buffing up 现在分词 buffed up 过去式 buffed up 过去分词

释义与例句

v.
  1. 1.

    To improve.

    习语 及物
  2. 2.

    To shine; to make shiny.

    及物
  3. 3.

    To become more muscular.

    习语 不及物
  4. 4.

    To study hard to learn a particular subject.

    习语 不及物

    I'll need to buff up on my Italian before my trip to Genoa.