全文。。不小心看过
I recently turned fifty, which is young for a tree, midlife for an elephant ,and ancient for a sportsman, Fifty is a nice number for the states in the US or for a national speed limit but it is not a number that I was prepared to have hung on me. Fifty is supposed to be my father's age, but now I am stuck with this number and everything it means.
A few days ago, a friend tried to cheer me up by saying, “ Fifty is what forty used to be.” He had made an inspirational point. Am I over the hill? People keep telling me that the hill has been moved, and I keep telling them that he high-jump bar has dropped from the six feet I once easily cleared to the four feet that is impossible for me now.
“ You’re not getting older, you are getting better.” says Dr. Joyce Brothers. This, however, is the kind of doctor who inspires a second opinion.
And so, as I approach the day when I cannot even jump over the tennis net, I am moved to share some thoughts on aging with you. I am moved to show how aging feels to me physically and mentally. Getting older, of course, is obviously a better change than the one that brings you eulogies（悼词）.In fact ,a poet named Robert Browning considered it the best change of all :
Grow old along with me!
The best is yet to me.
Whether or not Browning was right, most of my first fifty years have been golden ones, so I will settle for what is ahead being as good as what has gone by. I find myself moving toward what is ahead with a curious blend （混合） of both fighting and accepting my aging, hoping that the philosopher（哲学家） was right when he said .”Old is always fifteen years from now.”
我很快就要五十岁了。五十岁，对于一棵树来说正值青葱岁月，对于一头象则意味着中年，而对于运动员而言却已是垂垂老矣。在美国，五十是个吉祥的数字，它不仅是美国州的总数和，还是国家车速限制。可惜它不是我准备好去迎接的数字。五十应该是我父亲的岁数，但现在我却被这个数字和它所代表的一切吓着了。
很多天以前，一个朋友试着逗我开心，说道：“过去四十岁是怎么样的，现在五十岁也是怎么样。”他的话令我犹如醍醐灌顶。我上年岁了吗？在走下坡路了吗？人们一直告诉我我没有变老；我一直告诉他们：我曾经可以轻松跳过六英尺高的跳高横木，可如今把它降到四英尺高我也跳不过去。
医生跟我说：“你没有变老，而是变得更好了。”然而，这只是医生体贴安慰的话，想激发我有不同的想法。
总有一天，我会连网球网都跳不过去；当我离那天越来越近时，我转而开始跟你们分享一些我对于年老的看法。我开始展示我的身心在如何感知年老的步伐。当然了，变老显然是比死亡更好的一个改变。事实上诗人罗伯特·布朗宁认为最美妙的改变莫过于变老了，有诗为证：“与我偕老吧！好景还在后。”
不管布朗宁是对是错，我的前五十年的大部分时光都过得很精彩，所以我将满足于把将来的日子过得跟往日一样滋润。我发觉自己在前进的同时头脑中交织着一些古怪的想法，既抵抗又接受自己在变老，希望哲学家说的是对的：“从现在起的十五年后才算老。”
注：不是The best is yet to me. 而是The best is yet to be.
其中the hill has been moved/inspires a second opinion/I am moved to …不是很理解，所以可能不是很准确，你还要斟酌修改一下。
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