n. 不当行为, 行为失检, 侵犯他人权利的行为

[经] 违法, 滥用职权

[ noun ]
doing a proper act in a wrongful or injurious manner
<noun.act>

Misfeasance \Mis*fea"sance\, n. [OF. pref. mes- wrong (L. minus
less) + faisance doing, fr. faire to do, L. facere. Cf.
{Malfeasance}.] (Law)
A trespass; a wrong arising from an overt act; the improper
doing of an act which a person might lawfully do. --Bouvier.
--Wharton.