If someone in a position of responsibility is negligent, they do not do something which they ought to do.
neglectful , careless , remiss
The jury determined that the airline was negligent in training and supervising the crew.
陪审团认定该航空公司在培训和管理其机组成员方面存在疏漏。
The Council had acted in a negligent manner.
市政会的做法属于失职。
claims against a negligent third party for personal injury.
因第三方渎职而提出的个人伤害索赔。