She is sixteen but has a mental age of five.

她十六岁，而智力年龄是五岁。

《牛津词典》

She lived to a great age.

她活了很大岁数。

《牛津词典》

13 is a difficult age.

13岁是个容易出问题的年龄。

《牛津词典》

Poets called it the Golden Age. A golden age now describes a historical period of great artistic,scientific or economic progress.

VOA: special.2010.06.06

Through this process he becomes addicted to alcohol at a very young age, but at the same time he learns something about language.

因此，他在培养出酒瘾的同时，练就了驾驭语言的一些能力。

耶鲁公开课 - 1945年后的美国小说课程节选

It's bad enough to say that a lot of the girls get pregnant at a younger age than opposed to here.

与这里情况相反，许多女孩在很年轻时就做了妈妈，这太糟糕了。

波多黎各的美女 - SpeakingMax英语口语达人

But the Information Age, which had all the makings of a soulless IQ Age, has turned out differently than expected -- call it a Network Age, which commoditizes IQ and pushes value to speed, creativity and the kind of derring-do once thought reckless.

FORBES: In search of the right quadrant

In principle, such a compulsory age is discriminatory, but the European directive allows countries to set a national retirement age.

ECONOMIST: Age discrimination

On the side, he wrote fiction, including two short story collections and seven novels, which ranged from a coming-of-age story about a rebellious teenager who gets thrown out of school, to a book about a middle-age man who befriends a gangster to impress his son.

WSJ: Dutch Thriller Is a Surprise Global Hit