malpractice
noun [ U ] uk/ˌmælˈpræk.tɪs/ us/ˌmælˈpræk.tɪs/
营私舞弊;玩忽职守，渎职
failure to act correctly or legally when doing your job, often causing injury or loss
They are accused of medical/financial/electoral malpractice. 他们被控医疗事故／财务舞弊／选举舞弊。