英 [pəˈfɪdiəs] 美 [pərˈfɪdiəs]
adj. 背信弃义的；不忠的
perfidious /pəˈfɪdɪəs/
形容词 If you describe someone as perfidious, you mean that they have betrayed someone or cannot be trusted. 不忠的; 不可信的
Their feet will trample on the dead bodies of their perfidious aggressors.
他们将从背信弃义的侵略者的尸体上踏过。
tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans
the perfidious Judas
同义词： punic / treacherous
...记就是背叛 Marked by betrayal of fidelity,confidence,or trust;perfidious.背叛的以背叛忠诚、信赖或信任为特征的;背信弃义的 The squalid atmosphere of intrigue, Betrayal, and counter-Betrayal密谋、叛逆和反叛逆的恶劣气氛 ..
... perfectionist n.力求完美者，吹毛求疵者 perfidious adj.不忠的，背信弃义的 perfidy n.不忠，背叛 ...
... arachnophobia蜘蛛恐惧症 症 perfidious不诚实的 的 unintelligible不能理解的;模模糊糊;费解 1 ...
perfidiously 不忠实地；背信地
perfidy 不诚实；背信弃义
背信弃义的；不忠的
Their feet will trample on the dead bodies of their perfidious aggressors.
他们将从背信弃义的侵略者的尸体上踏过。
Perfidious media managers; treachery in the name of truth.
背信弃义的媒体；打着真相名义的背信弃义。
No wonder they talk about perfidious Albion, he mutters, and you can see why.
他低声嘀咕着，难怪他们都说英国人背信弃义，现在知道为什么了。
From the French point of view, it's the perfidious Albion already there.
法国人则认为他们是背信弃义的英国佬
欧洲文明课程节选 : 耶鲁公开课
But then the French have always had a soft spot for perfidious Albion's northern neighbours.
In France, for centuries, the idea of sharing military resources with perfidious Albion would have been unthinkable.
Replace the Perfidious Albion with the Americans and the comparison is almost perfect.