blot one's copy book

动词 v.
中文释义

英文释义

动词 v.
  1. To damage one's own reputation through bad behavior. idiomatic
    — Now, it was the College that had blotted its copybook

词形变化

blots one's copy book present,singular,third-person blotting one's copy book participle,present blotted one's copy book participle,past blotted one's copy book past blot one's copybook alternative
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