Focus on the pronunciation of rebuff
English definition of “rebuff”
/rɪˈbʌf/ v [T]
› to refuse to accept a suggestion, a request for help, or an offer to help, often in an unfriendly way: Our request for assistance has been rebuffed. rebuff
/rɪˈbʌf/ n [C] › Boren’s idea took a sharp rebuff.