1. You mustn''t overwork yourself.
    你别太劳累了。

1. 工作过量：oversleep 睡过头了 | overwork 工作过量 | overcharge 索要价钱过高

2. overwork

2. 过度劳累：overstudy 用功過度 | overwork 過度勞累 | overload 超負荷

3. 工作过度：overwhelming 压倒性的 | overwork 工作过度 | owe 借债

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4. 工作过度;劳累过分;额外的工作：过焊 overwelding | 工作过度;劳累过分;额外的工作 overwork | 卵形颗粒 ovoid grain

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.

    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。

1. the act of working too much or too long

    e.g. he became ill from overwork

    Synonym: overworking

1. use too much

    e.g. This play has been overworked

2. work excessively hard

    e.g. he is exploiting the students

    Synonym: exploit