Focus on the pronunciation of insure
English definition of “insure”
insure (also ensure)
/ɪnˈʃʊər/ v (MAKE CERTAIN)
› to make something certain, or to be certain about something: [+ (that) clause] Because of the importance of the game, we wanted to insure (that) it would be televised. [T] We had reporters check to insure the accuracy of the story.