bˈɑːɹt ɪz stˈɪl bˈɪɾɚ təwˈɔːɹdz hɪz mˈʌðɚ ænd fˈɑːðɚ fɔːɹ ðɛɹ ɪnsˈɛstʃuːəs ɹᵻlˈeɪʃənʃˌɪp, sˌoʊ ðɛɹ stˈeɪ ɪz nˌɑːt plˈɛzənt.
Bart is still bitter towards his mother and father for their incestuous relationship, so their stay is not pleasant.