perfidy

n.

背信弃义，背叛，出卖；

复数：perfidies

1. All his usual formalities of perfidy were observed with scrupulous technique.
   他所有形式的狡诈与不忠都被极其审慎地记录下来。

PERFIDY
The Perfidy of Albion
The perfidy of percentiles
Parkinson's pointers’ potential perfidy!
Parkinson's pointers’ potential perfidy!*
The Acadian deportation, deliberate perfidy or cruel necessity?
Lessons from History, or the Perfidy of English Exceptionalism and the Significance of Historical France
The Panacea and Perfidy of Cultural Rites of Circumcision in African Countries: Examples From Kenya, Botswana and South Africa
Thermal decomposition of energetic materials. 61. Perfidy in the amino-2,4,6-trinitrobenzene series of explosives
Exploring States of Panacea and Perfidy of Family and Community Volunteerism in Palliative Care Giving in Kanye CHBC Program, Botswana