We travelled around a lot when I was small.

我小的时候，我们时常四处旅行。

《牛津词典》

When I was small, I began to learn English letters.

我小的时候，我开始学习英文字母。

youdao

When I was small I lived in America.

我小的时侯住在美国。

youdao

"When I was just a small kid I went to Corning Glass works and watched the glass blowers there and was really mesmerized by that.

VOA: special.2009.09.16

When I was small, I had incredible difficulty with numbers.

NPR: Living With an Inability to Do Math

When I was small, I would sit on his lap, staring at the stump of his left index finger, rounded and smooth, the top two knuckles so cleanly severed it seemed he'd been born without them.

NPR: Excerpt: 'City of Thieves'

When I was a small boy, I used to take the picture to bed with me every night, because for more than three years my father was deployed, unable to live with us full-time, serving overseas or in bases where there was no family housing.

NPR: State of the Union: Democratic Response Text