push against an open door

短语

发音

AU

词形变化

pushed against an open door pushes against an open door 三单 pushes against an open door pushing against an open door pushing against an open door 现在分词 pushed against an open door 过去式 pushed against an open door 过去分词

别名

push an open door push against open doors

释义与例句

v.
  1. 1.

    To do something pointless or unnecessary; to try doing something already done.

    习语