He has done it by exploring, by experimenting, by trying it out and seeing whether it works, by gradually changing it and refining it until it does work.

他不断探索、实验、尝试并检验成效，不停修改、改进，直到它能顺利运行。

youdao

The answer is by gradually adding a little more weight to the bar each week until you got stronger and stronger.

诀窍在于每周都增加一点儿重量，直到你足够强健。

youdao

I made the switch by gradually reducing my meat intake during summer last year so that by the time I moved to uni, I didn't have any problems cutting it out.

去年夏天我渐渐的减少肉类的进食因此到大学报到时，我已经没有任何问题的戒掉了。

youdao

Ambassador Hill said recent bomb attacks in Iraq are an effort to undermine the Iraqi people as U.S.forces gradually withdraw under a timetable established by President Barack Obama."

VOA: standard.2009.09.10

It was gradually adopted by other countries through time and the United States didn't officially adopt it until 1900.

随着时间的流逝，它渐渐被,其它国家所采用,美国直到1900年才正式采用金本位制度。

耶鲁公开课 - 金融市场课程节选

The Commander of the U.S. Southern Command, Air Force General Douglas Fraser, says the military is gradually increasing its capacity to deliver assistance to the millions of people affected by the earthquake.

VOA: standard.2010.01.21

Complexity erodes profit margins by gradually increasing costs and slowing down day to day business efficiency.

FORBES: Is Complexity Ruining your Business?

Price regulators could play their part too by gradually easing their grip.

ECONOMIST: Breaking up BAA: A new departure for London’s airports | The

In sum, Soviet creditworthiness is in the process of significant deterioration as evidenced by gradually rising interest rates on Western credits to the USSR.

CENTERFORSECURITYPOLICY: US Trade Relations with The USSR and Eastern Europe