Focus on the pronunciation of sincere
English definition of “sincere”
› (esp. of feelings, beliefs, opinions, or intentions) honest; not false or invented: sincere modesty/belief/statement More than sincere words of support, we need action. sincerity
/sɪnˈser·ɪ·t̬i/ n [U] › She spoke with such sincerity, you had to believe her.