have something on good authority

短语

词形变化

had something on good authority has something on good authority 三单 has something on good authority having something on good authority having something on good authority 现在分词 had something on good authority 过去式 had something on good authority 过去分词

释义与例句

v.
  1. 1.

    To know from a reliable source (that).

    have it on good authority that …