on one's back

基本解释

This was the mark of prosperity: to wear enough material on one's back to clothe many of more modest means.
当时富贵的标志是：一个有钱人着装所用的布料足以为好几个普通人做衣服了。
Out deeper, in cooler water, where trout live, floating on one's back is a kind of free ride, like being fifteen again, like being afloat upon another sky.
鳟鱼生活在离岸更远的水中，那儿水更深、更凉，仰面浮在此处，颇有信步漫游之感，好似重新回到了十五岁的年月，如同在另一片天空里漂浮。
Again let me remind you Jeet Kune Do is just a name used, a boat to get one across, and once across it is to be discarded and not to be carried on one's back.
再次让我提醒你，截拳道只是使用一个名称，一个船之一横跨，而一旦越过它是被丢弃，而不是背进行。
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