柯林斯詞典perfidy /?p??f?d?/ 1. N-UNCOUNT Perfidy is the action of betraying someone or behaving very badly toward someone. 背信棄義; 不仁不義[文學(xué)性] 返回 perfidy劍橋詞典behaviour that is not loyal 背信棄義(行為);不忠貞(行為) 返回 perfidy