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ambition; aspiration
天下統一の野望を胸に秘めていた。
He harbored an ambition to unify the land in his heart.
若き科学者は宇宙探査の野望を語った。
The young scientist spoke of his ambition for space exploration.
野望に燃える者は困難をも恐れない。
Those burning with ambition fear no difficulty.