He was 14 years old when it happened.

这件事情发生的时候，他14岁。

《牛津词典》

Jenny is seventeen years old.

珍妮17岁。

《柯林斯英汉双解大词典》

I'll be 26 years old next Friday.

我下周五就26岁了。

《柯林斯英汉双解大词典》

At the age of six or seven years old, Emmanuel became a soldier for the Sudan People's Liberation Army.

VOA: special.2009.10.14

Now these ideas of classes, object-oriented programming, data abstraction, are about 40 years old, they're not new ideas.

面向对象编程的概念，数据抽象的概念，都是40年前就有的老东西了。

麻省理工公开课 - 计算机科学及编程导论课程节选

So many of those people who are now 50 years old are totally different than the people you find here.

所以好多50来岁的人跟你们这里的人完全不同。

关于罗马尼亚 - SpeakingMax英语口语达人

Since I was 10 years old, I have loved English and dreamed of becoming a teacher.

CNN: Impact Your World

Fluker was just 11 years old when doctors discovered a peripheral nerve sheath tumor.

CNN: Students dress like Superman to remember football player

Only 22, Eldar was only 2 years old when A Jazz Piano Christmas began.

NPR: Twenty Years Of A Jazz Piano Christmas