I did some waitressing when I was a student.

我当学生时做过侍应生。

《牛津词典》

When I was a student, my digs were so bad that you would not even make a dog live in them.

当我还是个学生的时候我住的地方非常糟糕，甚至狗都不会住在那里。

youdao

I used to like traveling by train when I was a student.

我还是学生的时候，最喜欢坐火车旅行。

youdao

"It ranged from looking at me when I would ask a question as though something was very strange and then some other student would ask the same question and the teacher would say, 'This is an astute observation.' (SAYING...) Despite a gradual increase in women graduating with undergraduate and graduate degrees in science fields, the gap between men and women remains significant in the U.S.workplace.

VOA: standard.2010.03.26

I remember when I was a student of one of the biggest classes at the University of Michigan--go blue!

我记得在密歇根大学读书的时候,我们在橄榄球赛的时候会喊"冲啊 蓝色军团"

耶鲁公开课 - 欧洲文明课程节选

I remember when I was a student in Paris I remember going up to-- and that's where they massacred lots of people.

我记得自己在巴黎上学的时候去过个地方,有很多人在那里被屠杀

耶鲁公开课 - 1871年后的法国课程节选

When I was a student, I was forced to watch a film about ancient nutrition customs.

NEWYORKER: The Slows

When I was a student, Paul Samuelson, Nobel Prize-winning economist, and Kissinger were professors.

FORBES: From Harvard Slacker To Wimbledon To Buffett's Professor And Partner: Meet Lemann, Brazil's Richest

Once, when I was a student and had decided to major in business, I had an argument with a friend.

NEWYORKER: History of a Disturbance