Focus on the pronunciation of back-to-back
English definition of “back-to-back”
/ˌbæktəˈbæk/ adjective [before noun]
› happening one after the other, with nothing between: Optimists also point out that stocks posted hefty gains after back-to-back losses. Homeowners were hit by the first back-to-back rise in interest rates in more than four years. The firm had back-to-back quarters of strong earnings.