For men accustomed to eating seven-course dinners and sleeping between fine linen sheets at home, the change to the Alps must have very hard indeed.

对于过惯了一顿饭吃7道菜、睡亚麻细布床单的人来说，变换一下生活环境来到阿尔卑斯山山区，那一定是很艰难的。

But in an old man who has known human joys and sorrows,

可是老年人已经饱尝了人间的甘苦，

Some years ago an American psychiatrist named William Dement published experiments dealing with the recording of eye-movements during sleep.

前些年，美国一位精神病学者发表了一篇报告，报告中记录了眼球在睡眠时的活动情况。

The continents form rugged tablelands which stand nearly three miles above the floor of the open ocean.

大陆是崎岖不平的高地，高出辽阔海洋海底近三英里。

unless the parents themselves have been unsatisfactory,

除非父母自身不能令人满意，

I have heard of writers who read nothing but their own books;

我听说一些作家，除了自己的书外，别的书一概不读，