adv.不正确地，不适当地

She was improperly dressed for the formal event, wearing jeans and a t-shirt.
她穿着牛仔裤和T恤参加正式活动，着装不合时宜。
The company has been accused of improperly disposing of hazardous waste.
该公司被指控不当处理危险废物。
He improperly used company funds to finance his personal vacation.
他不当使用公司资金支付个人度假费用。
The athlete was disqualified for improperly using performance-enhancing drugs.
这位运动员因不当使用提高成绩的药物而被取消资格。
The teacher improperly disclosed confidential information about a student to other staff members.
老师不当向其他教职员工透露了关于学生的保密信息。
The experiment was conducted improperly, leading to unreliable results.
实验操作不当，导致结果不可靠。
They were charged with improperly inflating their earnings reports to mislead investors.
他们被指控为误导投资者而不当虚增收益报告。
She was reprimanded for improperly addressing her superior in front of clients.
她因在客户面前对上级使用不当称呼而受到训斥。
The doctor was sued for improperly diagnosing the patient's condition, resulting in delayed treatment.
医生因对患者病情诊断不当（导致治疗延误）而被起诉。
The employee was fired for improperly accessing sensitive data without authorization.
那名员工因未经许可擅自访问敏感数据而被解雇。