[intransitive, transitive] to work too hard; to make sb work too hard
（使）过度劳累，过分努力；（使）工作过度◆You look tired. Have you been overworking?
你看上去很疲倦，是不是近来劳累过度了？◆The staff are grossly overworked.
员工累得疲惫不堪。◆overworked executives
劳累过度的管理人员