blot one's copy book

短语

发音

AU

词形变化

blots one's copy book 三单 blots one's copy book blotted one's copy book blotting one's copy book blotting one's copy book 现在分词 blotted one's copy book 过去式 blotted one's copy book 过去分词

别名

blot one's copybook

释义与例句

v.
  1. 1.

    To damage one's own reputation through bad behavior.

    习语