The first fifty years are the hardest.
最初的五十年是最艰难的。
Thus the first fifty years may be characterized as our learning about the limits of our field, which are intimately bound up with the limits of complexity with which humans can cope.
于是，可以说刚开始的五十年我们都是在学习软件领域的这些限制，这些限制主要跟人类所能应付的复杂性有关。
If he wins—and it's a big if —he'll be the first Englishman to win for fifty years.
假设他赢了—不过这还是个很大的疑问—他将成为五十年以来第一个获胜的英格兰人。
Fifty years later across the pond Noah Webster produced his first dictionary.
五十年后，诺亚·韦伯斯特在海洋之外的另一片大陆上编成了他的第一本词典。
The main pavilion was the first of the buildings to be built on the estate. The others were added by Johnson over a period of fifty years.
主厅是这些建筑物当中第一个修建在这块地方上的，其他部分都是约翰逊用超过五十年的时间扩建添加上去的。
Fifty years after a Redstone rocket carried the first American astronaut, Alan Shephard, into space, NASA is getting out of the business of sending astronauts on missions using its own spacecraft.
当红石火箭将首位美国宇航员艾伦·谢泼德送上太空50年后，美国航天局正在结束使用自己的航天器搭载宇航员升空的使命。
The collision of the Russian and American satellites was the first of its kind in over fifty years of space travel. It spread hundreds of pieces of debris.
俄罗斯和美国卫星相撞的事件是过去五十多年太空中发生的首次类似的事件。这次的相撞在轨道上产生了几百个碎片。
The Chinese took their time to perfect Long March, requiring 28 years to make the first fifty launches, and nine years for the next fifty.
中国花时间去完善“长征”，用28年去实现第一个五十次运载火箭发射和又一个五十次用了九年。
If only I had gone by taxi; ll be the first Chinese to win for fifty years.
假使他赢了——是否能赢还是一大疑问——他将是五十年来的第一个获胜的中国人。
He had helicopters fifty years before the Wright brothers flew their first plane at Kitty Hawk.
早在莱特兄弟在凯蒂·豪克飞行第一架飞机之前50年，他已经想到了直升飞机。
He had helicopters fifty years before the Wright brothers flew their first plane at Kitty Hawk.
早在莱特兄弟在凯蒂·豪克飞行第一架飞机之前50年，他已经想到了直升飞机。
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