英汉词典

1. （使）工作过度；（使）过分劳累
    If you overwork or if someone overworks you, you work too hard, and are likely to become very tired or ill.

overwork是什么意思

    e.g. He's overworking and has got a lot on his mind...
           他工作太累，而且非常操心。
    e.g. He overworks and underpays the poor clerk whom he employs.
           他让那个可怜的职员超负荷工作，却只支付极低的薪水。