twenty-twenty hindsight

短语

事后诸葛亮

发音

AU

释义与例句

n.
  1. 1.

    A perfect understanding of events only after they have happened.

    事后诸葛亮

    事后诸葛

    事后孔明

    习语 不可数

词源

From the term 20/20 which is used in visual testing to refer to normal visual acuity.

来源：wiktionary