翻译并解释一下这两个题

第一题:全句是：In no circumstances can more work be got out of a machine than WHAT is put into it. 在任何情况下都不能得到比投入的更多的工作“what”被省略。 第二题:He often sat in a small bar drinking considerably more than was good for his health.他经常坐在酒吧喝酒,量太多以至于危害他的身体. 但从上下文中很难找出省去的主语,