We shouted and shouted for help, but for a long time no help came.

我们不停地喊救命，但是很长一段时间都没有人来帮助我们。

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Gambling has been a common feature of American life forever, but for a long time it was broadly considered a sin, or a social disease.

赌博永远是美国人生活的一个共同特征，但很长一段时间以来，它被广泛地认为是一种罪恶，抑或是一种社会疾病。

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This might not blow your mind, but for a long, long time this was accepted to be true.

这对你来说可能是天方夜谭，但在很长一段时间里人们都相信这是真的。

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But as he says, the search for life in outer space is a long-term goal, and he is still hopeful.

VOA: special.2010.05.25

But for a long time I was chastened whenever I remembered that my mother had come close to killing me.

然而很长一段时间里,一想起母亲过来揍我,我就会很听话，“

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I don't know if you know this, but for a long time when movies took place in New York,

我不清楚你是否知道，很长一段时间，电影里发生在纽约的场景，

电影里的中央车站 - SpeakingMax英语口语达人

It worked, not only on the Saturday after Thanksgiving but for a long time after.

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But for a long time few would say what needed to be said about Japan and its faltering economy.

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But for a long time his attempts were met with derision - Aznavour just did not look or sound like a star.

BBC: Aznavour bids adieu