swear upon

短语

词形变化

swearing upon swears upon 三单 swears upon swore upon sworn upon swearing upon 现在分词 swore upon 过去式 sworn upon 过去式 sworn upon 过去分词

别名

swear on

释义与例句

v.
  1. 1.

    To take an oath on someone or something.

    正式 及物

    to swear upon the Holy Writ to speak the truth