Focus on the pronunciation of mouthful
English definition of “mouthful”
/ˈmɑʊθˌfʊl/ n [C] (BODY PART)
› the amount of food or drink that fills your mouth, or that you put into your mouth at one time: Marj forked up a mouthful of pie. › infml A mouthful is also a long word or sentence, or something said that has a lot of meaning: He has a mouthful to say on the subject.