16 Example Sentences Showcasing the Meaning of 'Castle In The Air'
Despite facing numerous challenges, building a sustainable society on Mars is not just a castle in the air.
Establishing a world free from poverty is a noble goal, but some may view it as a castle in the air.
Achieving a perfect work-life balance is often considered a castle in the air in today's fast-paced world.
Hoping for everlasting world peace might be seen by skeptics as nothing more than a castle in the air.
Creating a utopian society where everyone is equal can sometimes be dismissed as a castle in the air.
The idea of time travel is often brushed off as a castle in the air, but physicists continue to explore the concept.
Imagining a future where machines can understand human emotions may sound like a castle in the air, but AI research is progressing.
Despite his ambitious plans, building a space station in his backyard was just a castle in the air.
Little Timmy's dream of befriending a talking unicorn remained a castle in the air.
The notion of a perpetual motion machine turned out to be nothing more than a castle in the air.
Launching a startup without any capital proved to be a castle in the air for the aspiring entrepreneur.
John's plan to learn ten languages in a month was merely a castle in the air.
The dream of achieving world peace overnight remains a castle in the air for many nations.
Winning the lottery and retiring early turned out to be just a castle in the air for Jane.
Tom's idea of a self-cleaning house sounded more like a castle in the air than a practical innovation.
Establishing a colony on Mars is currently considered a castle in the air by most scientists.