At one stage his very life was in danger.

有一个阶段甚至连他的生命都处于危险之中。

《柯林斯英汉双解大词典》

We can take the argument one stage further.

我们可以把辩论更深入一步。

《牛津词典》

At one stage it looked as though they would win.

有一段时间，他们好像大有获胜的希望。

《牛津词典》

Two-and-one-half minutes after the Apollo Eleven launch, the first-stage rocket separated from the spacecraft.

VOA: special.2009.07.15

In an interview with BBC Wales, Mr Pugh said the assembly government wanted "to build a consensus on the Welsh language...which is why we've decided to do this in a one-stage process rather than two".

BBC: NEWS | UK | Wales | Delay to abolish language board

In the second stage, lactic-acid molecules are linked into long chains, or polymers, in chemical-reaction vessels, to produce PLA. What Dr Lee and his colleagues have succeeded in doing, as they report in Biotechnology and Bioengineering, is to produce PLA directly, in a one-stage process, in bacteria.

ECONOMIST: Synthetic biology

Schwarz is currently compiling the data from three separate rotigotine trials--two on early stage patients and one on late-stage patients--and the company expects to file for U.S. Food and Drug Administration approval by this fall.

FORBES: Putting A Patch On Parkinson's Disease