ad. 心眼坏地,居心叵测地

[ adv ]
in a wicked evil manner
<adv.all>
act wickedlygrin evilly

Wickedly \Wick"ed*ly\, adv.
In a wicked manner; in a manner, or with motives and designs,
contrary to the divine law or the law of morality; viciously;
corruptly; immorally.

I have sinned, and I have done wickedly. --2 Sam. xxiv.
17.