At that time I had been job-hunting for six months.

那时我找工作已经找了六个月了。

《牛津词典》

At that time I was ignorant of events going on elsewhere.

那时我并不了解其他地方发生的事情。

《牛津词典》

At that time I wanted to give up French.

那时我想放弃法语。

youdao

"So at that time I think the public in Bangkok feel that, or start to wonder, what is their real demand?"

VOA: special.2010.05.22

Here he is in his paper and says at that time I decided that it was advantageous to find a more general system of the elements and here is my attempt.

他在论文中说，当时,我觉得发现更多,的元素的通用系统是很有用的,这就是我的计划。

麻省理工公开课 - 固态化学导论课程节选

but at the same time that means I get to meet a lot people that I wouldn't normally have met.

但同时这意味着我能接触到更多的人，如果不是在布朗大学，我可能没有这样的机会。

尊重多样化 - SpeakingMax英语口语达人

He said he was sure I could run, but at that time I could hardly walk.

BBC: NEWS | Health | NHS stories: Life after transplants

At that time I was 22 and tried to file for political asylum in Houston, TX.

FORBES: U.S. Needs Immigration Reform -- Part 2

Even at that time I didn't realise the rain would continue through out the day.

BBC: Eyewitness: Philippines floods