He did part-time work as an usher in a theatre.

他曾在一家剧院做兼职引座员。

《柯林斯英汉双解大词典》

Several years ago I did part-time work as a janitor.

几年前，我的业余工作是做一个门卫。

youdao

Math, for example, used to be something a handful of people did part-time.

比如数学，过去是人们业余时间玩的游戏。

youdao

Those with ring fingers longer than index fingers did better on the math part of a standardized test than the reading part.

VOA: special.2009.02.25

There's a Rolfing institute in Sao Paolo, Brazil and I did part of my training in Brazil.

巴西圣保罗有罗尔夫学校，所以我在巴西做了一部分的训练。

我来自阿拉斯加 - SpeakingMax英语口语达人

She was part of the clinical trial that did this, and they gave everybody certificates after it was done.

她当时就在参与疫苗的临床试验,试验后他们会给每个参与者颁发一个证明

耶鲁公开课 - 生物医学工程探索课程节选

Did part of me feel badly about not falling in line with the wishes of Fox Reality and Katherine?

FORBES: Connect

We did our part not because the government told us to or because it was trendy.

FORBES: Who Stole the Green Movement?

The franchise did its part to set an electric atmosphere and crowd was entirely complicit.

WSJ: Nets Earn First Postseason Win in Brooklyn