overworking

例句:

• He's overworking and has got a lot on his mind.
  他工作太累，而且非常操心。
  
• You look tired. Have you been overworking?
  你似乎很疲倦，是不是近来劳累过度了？
  
• I hope you're not overworking that poor boy.
  我希望你没有驱使那个可怜的男孩工作过度.
  
• I had been heavily overworking mostly my own fault in the year before that, he said.
  来自THETIMES