blot one's copybook

短语

失足

词形变化

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

释义与例句

v.
  1. 1.

    Alternative spelling of blot one's copy book.