The phrase "ambitious dream" is correct, and can be used in written English
You can use it to describe a goal, plan, or idea which requires significant effort or resources to achieve. Example: She has an ambitious dream of opening her own restaurant one day.
It is also a crucial piece of an even more ambitious dream of connecting South Asia with South-East Asia, via Bangladesh and Myanmar.
And no one – not even René Redzepi, the chef whose wildly ambitious dream this was – knew if they could pull it off.
The Killers, meanwhile, are about to embark on an extensive world tour, and Flowers knows exactly what he needs to deliver to make his most ambitious dream come true.
Three years ago, Bill Bolster, still new to the president's job at CNBC, announced an ambitious dream: his financial news network would beat CNN, then the dominant news provider on cable, in the cable TV ratings war.
"Even if in the future, if we as Brazilians do nothing and we just go on being poor and unorganized and dominated and corrupt, and we slowly disappear in history -- even if this dream is only a glimpse in the ocean of history, till now it is alive, and we live the intensity of this ambitious dream".
Its library is a trip back in time, with books that ponder how the Vietnam War will turn out, others that speak of landing on the moon as an ambitious dream, and another that explains disagreements among scientists over how long satellites can stay in orbit.
Kieślowski, having made his name alongside Andrzej Wajda as one of the masters of Polish cinema in the 80s, brought his thematically ambitious dream-fables to huge international prominence with the Ten Commandments cycle The Dekalog, bolstered by two feature-length releases, A Short Film About Killing and A Short Film About Love.
Many cities lack the necessary resources for the more ambitious dreams of city planners.
Happily, this is one place where ambitious dreaming seems likely to meet up with reality.
Roy is Walt's sounding board and primary henchman, expected to execute Walt's increasingly ambitious dreams with nary a murmur.
Royalty Pharma's $6.6 billion indicative offer for the Elan Corporation probably won't be enough to end the latter's ambitious dreams.
