V-ERG
（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.
例句
He's overworking and has got a lot on his mind...
他工作太累，而且非常操心。
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。