My friend, I am in a big mess, do you think you could help me tomorrow?
朋友,我现在正忙得一塌湖涂。明天你可以帮一下我吗?
and since most medical men in the Health Services are overworked and have little time for offering time-consuming and little-appreciated advice on such subjects as diet,
因为卫生部门的大多数医生都超负荷工作,所以没有多少时间提出一些既费时而又不受人欢迎的忠告,如注意饮食、