the better part of sth

/ðə bˈɛtə pˈɑːt ɒv ˌɛstˌiːˈeɪtʃ/

/ðə bˈɛɾɚ pˈɑːɹt ʌv ˌɛstˌiːˈeɪtʃ/

the better part of sth

a significant or majority portion of something, often indicating a majority of time, effort, or quantity