What does the idiom “Castle in the Air” mean?
Definition:
An impractical plan
For example:
“Ten years ago, people thought the waterfront park was a castle in the air, but the mayor backed it persistently, and now it’s a reality.”
What does the idiom “Castle in the Air” mean?
Definition:
An impractical plan
For example:
“Ten years ago, people thought the waterfront park was a castle in the air, but the mayor backed it persistently, and now it’s a reality.”
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