1. He had worked at a mill in the old country, but, finding the wheat business too much of a grind, began selling pots and pans off his back.
    在自己国家，他曾在面粉厂干过活，但感觉这种磨面粉的营生真是种折磨人的苦活，就开始背着坛坛罐罐到处兜售。

2. Social and economic progress will grind to a halt and more and more jobs will be eliminated by the negative side of this transformation.
    社会和经济上的进步会慢慢停止下来，而且越来越多的工作岗位会因为这种改革的负面作用而消失。