While he was at work, a gendarme passed, observed him, and demanded his papers.

正在他工作时，有个警察走过，注意到他，便向他要证件。

youdao

He was required to work at Friday night.

他被要求在星期五晚上工作。

youdao

It was a tedious and troublesome piece of work, but he finished it at last.

这是一件乏味而麻烦的工作，但他终于完成了。

youdao

In February, Fairey was arrested as he arrived at a party to celebrate an exhibit of his work at The Institute of Contemporary Art,Boston.

VOA: special.2009.04.08

In fact, the first PhD degree in engineering was awarded to a fellow named J. Willard Gibbs at Yale in 1863 for a thesis he did on how gears work or something, I forget exactly what the details are, but have you heard of Gibbs?

事实上 工程学的第一个博士学位授予了,一个名叫约西亚?威拉德?吉布斯的人,在一八六三年的耶鲁,他的论文是关于传动装置是如何工作的,细节方面的东西我记不清了,你们听说过吉布斯这个人么

耶鲁公开课 - 生物医学工程探索课程节选

It was invented by a mathematician called Bellman. And he was at the time being paid by the Defense Department to work on something else. And he didn't want them to know what he was doing. So he made up a name that he was sure they would have no clue what it meant.

一点儿道理也没有,它是一个叫Bellman的数学家发明的,那时受聘于国防部研究一些其它东西,它不想让它们知道她在研究什么,所以它编造了一个,它们不会知道意义的词语。

麻省理工公开课 - 计算机科学及编程导论课程节选

He did this so that his wife could not escape while he was at work.

FORBES: Magazine Article

Schuchardt told the station he was at work when he got a call regarding the shooting.

CNN: STORY HIGHLIGHTS

Reuters hired Keys in 2012 as a deputy editor for social media and he was at work Thursday.

WSJ: Reuters journalist charged with hacking conspiracy