I was living with my parents at that time.

那时候我和父母住在一起。

《牛津词典》

At that time, the castle was in enemy hands.

那时城堡在敌人手中。

《牛津词典》

Money was short at that time.

那时候，钱紧缺。

《牛津词典》

At that time there were laws in the South that required blacks to give their seats on buses to whites.

VOA: special.2010.04.16

Then I found that I couldn't find anyone in China because nobody at that time really focused on technology.

结果在中国没有人符合要求,因为那是没人致力于技术研究。

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and at that time Columbus Circle was very dirty.

那时候，哥伦布环岛这儿还很脏。

哥伦布的故事 - SpeakingMax英语口语达人

Both of us are American, but we were working in Prague at that time.

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At that time, Bush said, there were "no terrorists" presently in the CIA program.

CNN: Pentagon: Top al Qaeda leader taken to Guantanamo

This owner is thinking about retiring in a few years, selling his business at that time.

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