But at the time, they are a puzzle.

但是在当时，他们是一个迷。

youdao

But at the time, the approach seemed the right one.

但这一次，方法看来是对的。

youdao

But at the time it was big, so this was big news.

但当时是个大公司,这条新闻很轰动

youdao

But at the time, many people condemned their art.

VOA: special.2009.07.12

But at the time, they didn't have a well-formed name for it, they were just saying OK, there's this fourth quantum number, there's this intrinsic property in the electron.

但在那时，人们没有给它取名，他们只是说ｏｋ，这是第四个量子数，这是电子的本征性质，　

麻省理工公开课 - 化学原理课程节选

People, but I don't know, at the same time, I think people are really interested in what they're doing.

那里的人......我不太清楚，不过同时，我觉得那里的人们都抱着浓厚的兴趣在做自己的事。

最喜欢的一门课 - SpeakingMax英语口语达人

But at the time you find yourself in a situation like this and somehow justify it.

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They'd be shot for that now, but at the time I found it funny.

CNN: Chelsea Flower Show: A century of blooming color

Kids were there at certain houses, but at the time we just didn't care.

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