Focus on the pronunciation of powerhouse
English definition of “powerhouse”
/ˈpaʊəˌhaʊs/ noun [C]
› a country or an organization that has a lot of influence, power, or energy: corporate/economic/financial powerhouses Analysts still believe that China and India will become the economic powerhouses of the world. a marketing/media/publishing powerhouse
› a person who has a lot of strength and energy: He was a powerhouse of ideas.