On this reading, it was designed to demonstrate the scope of the murderers and to send a hair-raising message to Litvinenko's friends in London, and perhaps also to his perfidious British hosts.(這種做法的弦外之音，意在展示謀殺者的用武之地，也給利特維年科在倫敦的友人傳達了恐怖信息，可能還是給利氏背信棄義的英國東家一個下馬威。)

Punic faith; the perfidious Judas; the fiercest and most treacherous of foes; treacherous intrigues.(背信棄義；背信棄義的猶大；最兇惡、最奸詐的敵人；背信棄義的陰謀。)

There is no vice, that doth so cover a man with shame, as to be found false, and perfidious.(再沒有比被人發現是弄虛作假與背信棄義更感羞恥的惡行了。)

Perfidious media managers; treachery in the name of truth.(背信棄義的媒體；打著真相名義的背信棄義。)

And then, today, I decided to reply to you if only because I did not want to leave you with the false impression that your perfidious letter is worth the paper on which it has been written.(今天我寫信給你僅僅是因為我不能給你留下這樣一個錯誤的印象，即你上一封背信棄義的信有任何的價值。)

Why Mr Beaton and the director, Anthony Neilson, should have reached for nationalistic cracks and predictable jokes about greedy bankers and the perfidious English is a mystery.(那為什么比頓先生，和導演安東尼·尼爾森執意拾起民族主義裂痕的話題和那些拿貪婪銀行家以及背信棄義的英國人來插科打諢的陳段子呢？這就難以理解了。)

No wonder they talk about perfidious Albion, he mutters, and you can see why.(他低聲嘀咕著，難怪他們都說英國人背信棄義，現在知道為什么了。)

Marked by betrayal of fidelity, confidence, or trust; perfidious.(背叛的以背叛忠誠、信賴或信任為特征的；背信棄義的。)

Their feet will trample on the dead bodies of their perfidious aggressors.(他們將從背信棄義的侵略者的尸體上踏過。)

The hunter washed the face, lets these changes the first donkey the fellow can recognize him, then enters the courtyard, said: "now this you obtain the being perfidious retribution!"(獵人先洗了臉，讓那些變驢的家伙能認出他，然后才走進院子，說：“現在該你們得到背信棄義的報應啦！”)

If he is perfidious, he must be a thorough-going fraud.