adv. 靠不住地;不忠实地
in a disloyal and faithless manner
同义词: traitorously / treacherously / treasonably / false
... faithless 背信弃义的 faithlessly 不忠实地 faithworthy 可信赖的 ...
faithfully 忠实地;如实地;诚心诚意地;深信着地
靠不住地;不忠实地
He faithlessly forsook his friends in their hour of need.
在最需要的时刻他背信弃义地抛弃朋友。