The phrase "an ambitious aim" is correct and usable in written English.
You can use it when describing a goal or objective that is challenging and requires significant effort to achieve.
Example: "The organization has set an ambitious aim to reduce carbon emissions by 50% within the next decade."
Alternatives: "a lofty goal" or "a challenging objective".
Panchèvre, who admits to being more at ease with animals than humans, has an ambitious aim.
It's an ambitious aim for any journalist to tell the larger political story alongside the personalized human one.
This is an ambitious aim, since in most districts the government's writ barely extends beyond its headquarters.
CD, Bedfordshire CarTrawler is a privately owned company based in Dublin with an ambitious aim to become the largest distributor of car rental globally.
This is an ambitious aim that would be launched with a formal application when Poland holds the union's rotating presidency in 2011.
This is an ambitious aim and one that we recognise from the outset can only be achieved if we work alongside a diverse range of stakeholders.
And today, the institute is adding a new capability to Semantic Scholar with an equally ambitious aim: measuring the influence that a scientist or organization has had on subsequent research.
This week, the institute added new capability to Semantic Scholar with an equally ambitious aim: measuring the influence that a scientist or organization has had on subsequent research.
A more ambitious aim was a scheme of federation contained in the Government of India Act 1935, which envisaged the princely states and British India being united under a federal government.
While there are a lot of period tracker apps in the market, co-founder Ida Tin says Clue has a more ambitious aim than most — and talks in terms of building a "platform for female health".
Being able to argue that the Darwinian account of our origins and place in the universe is compatible with the experience of enchantment is not a particularly ambitious aim.
