perfidiously

英 [pə'fɪdiəslɪ] 美 [pə'fɪdiəslɪ]

• adv. 不忠实地；背信地

perfidiously的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Adverb:

1. in a perfidious manner;

   "he was playing perfidiously one side against the other"