be a one

短语

词形变化

been a one being a one is a one 三单 is a one was a one being a one 现在分词 was a one 过去式 been a one 过去式 been a one 过去分词

释义与例句

v.
  1. 1.

    To be amusing in a slightly challenging way.

    英国 过时 非正式