perfidious

adj.

不诚实的，背信弃义的；

1. Your perfidious gossip is malicious and dangerous.
   你说的那些背信弃义的话是很刻毒险恶的。

Perfidious feminine faces.
The perfidious polynomial
Perfidious and Pernicious Singlism
PFI: perfidious financial idiocy
Is the polynomial so perfidious?
PFI: Perfidious Financial Idiocy: A "Free Lunch"That Could Destroy the NHS
Perfidious gallbladders - a diagnostic dilemma with xanthogranulomatous cholecystitis.
Heinous spaces, perfidious places: the sinister landscapes of serial killers
The Perfidious Experiences of Men as Palliative Caregivers of People Living with HIV/AIDS and other Terminal illnesses in Botswana...
The Perfidious Effect of Topical Placebo: Calibration of Staphylococcus aureus Ventilator-Associated Pneumonia Incidence within Sele...