医生因医疗失职行为被吊销了执照。
The doctor lost his license due to medical ___malpractice.
律师因职业不当行为被吊销执照。
The lawyer lost his license due to professional ___malpractice.
这名牙医因治疗不当被指控医疗事故。
The dentist was accused of ___malpractice for improper treatment.