He came up with a madcap scheme to travel around the world in a hot air balloon.
Он придумал безумную схему путешествия вокруг света на воздушном шаре.
Definitions
A madcap scheme refers to a wildly imaginative or eccentric plan or idea, often characterized by a lack of seriousness or practicality, and typically involving a sense of adventure or recklessness.
