“老奶奶”用英语怎么说？

大城市把乡下来的老奶奶弄糊涂了.The big city bewildered the old woman from the countryside.这位老奶奶故去了.The old lady is at peace now.他们搀扶老奶奶下楼到一楼去.They handed Grandma down to the ground floor....