B1
something you want to achieve
Dictionary examples:
My ambition is to find a job where I'm paid to nap. (0.0)
My ambition is to learn how to cook without setting off smoke alarms. (0.0)
My ambition is to eat pizza every day without gaining weight. (0.0)
His ambition is to run his own business. (26.3)
He has already achieved his main ambition in life - to become wealthy. (42.5)