His thirteen-year-old son somehow got separated in the crush.

他13岁的儿子不知怎么在拥挤的人群里走散了。

《柯林斯英汉双解大词典》

The toy bear is my thirteen-year-old birthday present.

这个玩具熊是我十三岁的生日礼物。

youdao

A thirteen-year-old boy, Trent Maguire, has a driver, credit cards and unlimited cash to do what he wants when he wants to.

13岁的男孩——特伦特·马奎尔，有一个司机，信用卡和无限的现金，他什么时候想干什么就能干什么。

youdao

Last month, thirteen- year-old Jordan Romero became the youngest person to reach the top of the mountain.

VOA: special.2010.06.30

In Damon's book, a wonderful book on psychopathy, he talks about a thirteen-year-old mugger who specialized in mugging blind people.

在Damon一本关于精神变态的书中，他谈到一个13岁的行凶劫匪,他专门行凶抢劫盲人。

耶鲁公开课 - 心理学导论课程节选

But he says he felt the greatest satisfaction when a thirteen-year-old painted the word "gun" and then put a big "X" through it.

VOA: special.2009.06.01

And how, on the two-day drive back to our country, thirteen-year-old Naima had hardly stopped crying.

NEWYORKER: Naima

Thirteen-year-old Kerry Close of New Jersey then had to spell kundalini and Ursprache to win.

ECONOMIST: A peculiarly North American entertainment

The thirteen-year-old boy started learning how to play the trumpet only four months ago.

NPR: 'A Tale of Music': From 'Literature from the Axis of Evil'