How much longer will this hot weather go on for?

这样炎热的天气还会持续多久？

《牛津词典》

How much longer does the independent prosecutor have a mandate to pursue this investigation?

这名独立检察官获得授权去调查这件事情的权限还有多长？

《柯林斯英汉双解大词典》

How much longer will he keep trying?

他还会试多少次呢？

youdao

But the level of criticism is growing here. The latest person to ask how much longer will British forces be deployed in Afghanistan is former Foreign Office Minister Kim Howells.

VOA: standard.2009.11.04

These are bads of life that could presumably be avoided if only we knew how much exactly we had--how much longer we had.

生命中的一些坏处可以被认为是可避免的,只要我们知道我们到底还有多少，还有多少时间。

耶鲁公开课 - 死亡课程节选

Because of the birthmark, everybody knows exactly how much longer they've got.

因为有胎记预示，大家都知道他们还剩下多少时间。

耶鲁公开课 - 死亡课程节选

How much longer can they stubbornly hold on to the high Wall Street-pleasing payouts?

FORBES: Shaky Dividends

But, how much longer can we afford to remain stubbornly resistant to change and solutions?

BBC: Laziness will send us to an early grave

One wonders how much longer these two firms will continue clashing as one entity.

FORBES: Beleagured Russian Oil Co CEO Quits After Battles With BP