Now at the outbreak of the Peloponnesian War Socrates was just under 40 years of age.

伯罗奔尼撒战争爆发时,苏格拉底才快要接近40岁。

耶鲁公开课 - 政治哲学导论课程节选

And at the age of about fifty-five the war came along, and he wrote a book called Strange Defeat, explaining why in 1940 France fell so rapidly.

在他五十五的时候开始打仗了,然后他写了一本书叫《诡异之败》,解释为什么1940年法国这么快就败了

耶鲁公开课 - 1871年后的法国课程节选

"Because of their age, a lot of war memorials are beginning to fade and we want to make sure that the information on them is preserved for posterity, " said Mr Rees.

BBC: Audit of Wiltshire's war memorials to be carried out

After its harsh birth in Korea and its stormy Vietnamese adolescence, America's fully-integrated army finally came of age in the Gulf war, the climax of Ms Buckley's story.

ECONOMIST: Blacks in the American forces: Double V for victory | The

Having come of age just as the Vietnam war was winding down, I felt a twinge of excitement.

FORBES: What to do when the transformative moment arrives