I loved history when I was at school.

我上学时喜欢历史。

《牛津词典》

When I was at school, I thought I had it made.

在学校的时候，我以为自己一定能成功。

《柯林斯英汉双解大词典》

This was years ago when I was at school.

这是几年前我在学校的时候。

youdao

When I was at school, I studied "Romeo and Juliet" and "Macbeth" as well.

当我上学的时候，我学过《罗密欧与朱丽叶》和《麦克白》。

莎士比亚环球剧院 - SpeakingMax英语口语达人

The only trouble is, just like when I was at school, it all seems to pass far too quickly.

BBC: Bolton captain

"When I was at school my teacher asked us who had to work harder, the poor Africans, or the rich Americans, " he began.

BBC: Australia: Where the good life comes at a price

"When I was at school here in Scotland, I remember one occasion buying fish and chips from a shop in Inverness, " he told an audience of scientists and fisheries executives at the sixth World Fisheries Congress.

CNN: A royal plea for sustainable fish and chips