Focus on the pronunciation of ad-lib
English definition of “ad-lib”
/ˈædˈlɪb/ v [I/T] (-bb-)
› to do something without preparation or planning: [I] She had lost her notes, so she ad-libbed for ten minutes. ad-lib
/ˈædˈlɪb/ adj, adv › I did not want to give an ad-lib speech.