adv.
不忠实地

[ adv ]
in an unfaithful undependable unreliable manner
<adv.all>

Unfaithful \Un*faith"ful\, a.
1. Not faithful; not observant of promises, vows, allegiance,
or duty; violating trust or confidence; treacherous;
perfidious; as, an unfaithful subject; an unfaithful agent
or servant.

My feet, through wine, unfaithful to their weight.
--Pope.

His honor rooted in dishonor stood,
And faith unfaithful kept him falsely true.
--Tennyson.

2. Not possessing faith; infidel. [R.] --Milton.
※ -- {Un*faith"ful*ly}, adv. --
{Un*faith"ful*ness}, n.