adv.
叛逆地, 不忠地

[ adv ]
in a disloyal and faithless manner
<adv.all>
he behaved treacherouslyhis wife played him false

Traitorous \Trai"tor*ous\, a. [Cf. F. tra[^i]treux.]
1. Guilty of treason; treacherous; perfidious; faithless; as,
a traitorous officer or subject. --Shak.

2. Consisting in treason; partaking of treason; implying
breach of allegiance; as, a traitorous scheme.
※ -- {Trai"tor*ous*ly}, adv. --
{Trai"tor*ous*ness}, n.