perfidious
	英 [pə'fɪdɪəs]
美[pɚ'fɪdɪəs]
	    
    英英释意
	
	- 1. tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans;
 - "Punic faith"
 - "the perfidious Judas"
 - "the fiercest and most treacherous of foes"
 - "treacherous intrigues"