The phrase "to scrape the sides of the bowl" is an idiomatic expression that means to do something with great enthusiasm or intensity. It suggests that someone is putting a lot of effort into doing something, often to the point where they are pushing themselves to their limits in order to achieve their goal. The phrase originated from the idea that when you eat soup out of a bowl, if it's really good and delicious, you might use your spoon to scrape up all the remaining bits on the sides of the bowl - essentially leaving no drop behind! So, in essence, "to scrape the sides of the bowl" means to do something with great enthusiasm or intensity.