v.工作过度或时间过长( overwork的现在分词 );滥用(词等);
例句:
You look as though you've been overworking.
你好像工作过度.
He's overworking and has got a lot on his mind.
他工作太累,而且非常操心。
Paul is burnt out from years of overworking and stress.
保罗因长年的过度辛劳和压力而累垮了.