The phrase "gradually achieving" is grammatically correct and can be used in written English.
It means to make progress or reach a goal slowly over a period of time. Example: The company had set a goal to reduce their carbon emissions by 50% in five years, and they were gradually achieving it through implementing sustainable practices and using renewable energy sources.
"The renminbi exchange rate is gradually achieving a more balanced and reasonable level," the central bank said in a statement.
The distinctive Rautavaara soundworld familiar from his later, internationally successful works evolved only gradually, achieving its fully recognisable form in the 1980s.
Seeing some growth in Ireland, then, is not at all a refutation of Keynesian economics — it's exactly what you'd expect, given that Ireland is in fact gradually achieving an "internal devaluation" via relative deflation.
The U.S. is going the other way around from a fragmented approach gradually achieving critical mass.
The orbits of the two lower satellites drift relative to the upper satellite over the course of the nominal mission (four years), gradually achieving local time separation to improve the temporal sensitivity of the data, while the lower two satellites will provide improved spatial sensitivity through the use of gradient information.
It can be argued that as many ART users regain their health, reminding others of their status (disclosure) would be of low priority since it removes the "healthy tag" that they very much craved for and are now gradually achieving.
And that's being gradually achieved.
But it gradually achieved mainstream popularity once blackface minstrel performers adopted it, in the eighteen-thirties.
The Catalan counties initially were part of the Carolingian empire, but the various counts gradually achieved independence.
As the economic objectives of the treaties were gradually achieved, Member States became convinced that only greater political integration could provide the full benefits of economic integration.
He arranged for it to be privately and anonymously published on the Continent, and it gradually achieved notoriety as pirated editions circulated through the literary underground.
