clue up

短语

词形变化

clueing up clues up 三单 clues up cluing up cluing up 现在分词 clueing up 现在分词 clued up 过去式 clued up 过去分词

释义与例句

v.
  1. 1.

    To become knowledgeable on a subject.

    不及物

    We've been cluing up all week, so we'll be ready.

  2. 2.

    To make knowledgeable on a subject.

    及物

    That summer course really clued me up on mathematics.

  3. 3.

    Synonym of clew.

    及物 航海 交通