"Did you live there?"—"Not for long."

“你以前住在那里吗？”—“没住多久。”

《柯林斯英汉双解大词典》

These 24 people are strangers now, but not for long.

这24人目前都是陌生人，不过很快就不是了。

youdao

By whatever means, a lake is constantly gaining water and losing water: its water does not just sit there, or, anyway, not for long.

不管用什么方法，一个湖泊的水总是在不断地增加和减少：它的水不会只是待在那里，或者待很久。

youdao

But tech-saavy onlookers say not for long.

VOA: standard.2010.03.09

Ford has to worry about what GM is doing and what Toyota is doing, and for the moment at least what Chrysler is doing but perhaps not for long.

福特关注通用和丰田的决策,现在可能暂时,还得关注克莱斯勒的决策

耶鲁公开课 - 博弈论课程节选

Yes-- for a while, but not for long.

是的，更快乐一段时间并不长久。

哈佛公开课 - 幸福课课程节选

But not for long the trend is going up and at faster and faster rates.

NPR: Experts: CO2 Record Illustrates 'Scary' Trend

Early on, Mr. Shimabukuro flirted with distortion pedals and other plugged-in paraphernalia, but not for long.

WSJ: His Ukelele Is On Fire | Jake Shimabukuro | Cultural Conversation by Matthew Gurewitsch

The United States is the world's biggest producer of greenhouse gases, though not for long.

ECONOMIST: Climate change