I went through my midlife crisis about four or five years ago, when I was forty.
在我40岁时，我经历了中年危机。
Menstruation may cease when a woman is anywhere between forty-five and fifty years of age.
月经可能在女性45至50岁之间停止。
She dedicated herself to teaching for forty-five years, and all her students respected her a lot.
她投身教育事业45年，她的学生都很尊敬她。
Forty-five years ago, we made a solemn compact as a nation that senior citizens would not go without the health care they need.
四十五年前，我们郑重许诺要让我们国家的每一个年老公民获得应有的医疗保健。
Over the next five years, nearly 200, 000 young Americans would join the ranks of AmeriCorps, a larger number than had served in the entire forty-year history of the Peace Corps.
在接下来的五年里，有近20万名年轻的美国人加入到美国服务队里，这个数字比和平队成立40年来吸收的所有成员还要多。
They started with five hundred wagons. Three years later, the company had three thousand five hundred wagons and forty thousand oxen.
他们刚开始拥有500辆马车，三年后，这家公司拥有3500辆马车和4000辆牛车。
Colonel Sanders didn’t start franchising his KFC restaurants until he was sixty-five, forty years after he started serving chicken at his service station.
山德士上校ColonelSanders直到65岁的时候才开始连锁经营他的肯德基快餐店，这距离他在服务站卖炸鸡已经过去了40年。
Back in the 1840s, life insurance was very important because the average expectancy of life was only something like forty-five years, so that meant parents were dying left and right.
在19世纪40年代的时候，寿险是非常重要的，因为当时的人均期望寿命，仅为45岁左右，这意味着双亲平均只能活到45岁。
Finally, when she turned forty-five years old, she found the courage to walk away.
最后，到她45岁时，终于鼓起勇气和那男人一刀两断。
And so he continued for some twenty-five years, in 1687, when he was forty-five years old, the Principia was published.
而他就如此持续奋斗了大约25年。1687年，当他45岁时，《原理》出版了。
In 1863, in the midst of the Civil War, Congress passed a conscription law making all men between twenty and forty-five years of age liable for military service.
1863年美国内战中期，国会通过了一项要求所有20到45岁的美国男人必须服义务兵的法律。
Miss Ophelia had spent a quiet existence of some forty-five years , when her cousin invited her to visit his southern mansion.
当堂弟来邀请她到南方他家里去时，奥菲丽亚小姐已度过了四十五个清净的春秋。
Mr. Williams is forty-five years old.
威廉姆斯先生四十五岁。
Prof. Vedder: Forty-five percent of people who go to college, four-year colleges, don't get a bachelors degree within six years.
维德教授：在上四年制大学的人群当中，有45%的人不能在六年内获得学士学位。
Forty-five years and she only complains about it now from time to time.
比如我的母亲，她就这样过了五十年，直到现在才不停地抱怨。
But they were all the faces of a man of five and forty years, and every head was prematurely white.
但这些全是一个四十五岁男人的面孔，每一颗头的头发也都过早地白了。
But they were all the faces of a man of five and forty years, and every head was prematurely white.
但这些全是一个四十五岁男人的面孔，每一颗头的头发也都过早地白了。
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