我们在我18岁生日那天订婚了。

We got engaged on my eighteenth birthday.

《柯林斯英汉双解大词典》

在我17岁的时候，打起行囊离开了家。

When I was 17, I packed my bags and left home.

《柯林斯英汉双解大词典》

在我11岁的时候，妈妈把我送去学习演说技巧课程。

When I was 11 my mother sent me to elocution lessons.

《柯林斯英汉双解大词典》

My bid concern is that you have this huge group of people on the planet 2 young people between ages of say 12 and 19 or 21 or 22 all asking the question: Who am I?

我最关注的是,我们在世界上拥有如此巨大的一个群体,即年龄介于12到19岁，或者21，22岁的青年人2,都在问一个问题：,我是谁？

普林斯顿公开课 - 人性课程节选

You know, I moved to Los Angeles in my late 20s and early 30s. I was single. I hadn't met her yet and so,

我是在我快30岁的时候去的洛杉矶。那时候我单身。还没遇见我妻子。

旧金山和洛杉矶的差异 - SpeakingMax英语口语达人

To what extent could-- if I were to meet you when you were five years old I could describe the way you are now?

又在多大的程度上可能,如果在你五岁的时候我见过你,那我可以描述出现在的你吗

耶鲁公开课 - 心理学导论课程节选