N-VAR [oft NOUN n]营私舞弊;玩忽职守;渎职 If you accuse someone of malpractice, you are accusing them of breaking the law or the rules of their profession in order to gain some advantage for themselves. 营私舞弊;玩忽职守;渎职 [formal]
There were only one or two serious allegations of malpractice.