They both smiled; neither seemed likely to be aware of my absence for long.

他们两个人都笑了，看来都没意识到我离开了很长时间。

《柯林斯英汉双解大词典》

He never stays angry for long.

他生气时间从来不会长。

《牛津词典》

Will you be away for long?

你要离开很久吗？

《牛津词典》

The Obama administration says the earlier those in trouble can get help, the more chance for long-term success.

VOA: special.2009.02.20

He done gone off with a woman and made me come but she ain't going to stay for long."

他和一个女人跑了,不过那个女人也不会跟他待多久的“

耶鲁公开课 - 1945年后的美国小说课程节选

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

This is the gait that Icelanders say makes their horses so comfortable to ride for long distances.

BBC: Iceland on horseback

Such optical-electronic-optical conversions are expensive, which is why optical transmission has made economic sense only for long-haul carriers.

FORBES: Hooked on Photonics

Security cannot for long be allowed to depend on physically disconnecting and powering off our computers.

CNN: OPINION: The push is on to deploy high-speed, always-on residential Internet access