know inside and out

短语

发音

AU

词形变化

knew inside and out knowing inside and out known inside and out knows inside and out 三单 knows inside and out knowing inside and out 现在分词 knew inside and out 过去式 known inside and out 过去式 known inside and out 过去分词

别名

know inside out

释义与例句

v.
  1. 1.

    To know (something or someone) very thoroughly.

    习语 及物

    He's still new to their system, but he knows databases inside and out and will understand the rest soon.