know about

短语

知道,了解,听说过…

词形变化

knew about knowing about known about knows about 三单 knows about knowing about 现在分词 knew about 过去式 known about 过去式 known about 过去分词

释义与例句

v.
  1. 1.

    Used other than figuratively or idiomatically: see know, about.

  2. 2.

    To have positive inclinations regarding (someone or something); to have no doubts regarding (someone or something).

    非正式

    I don't know about him.

    You never know about that family.