他把这起谋杀称为极其卑劣的行为。He described the killing as a dastardly act.他们什么卑劣的手段都使得出来。They will stoop to every low-down trick.多么肮脏、卑劣的伎俩！What a dirty, low-down trick!...

“卑劣的”的英语可以翻译为：dastard，despicable，[法] degrading，dirty，squalid ...