I don't know really
I do know real
pro:sub mod v adv
i don't know really.
aɪ WORD_BOUNDARY d əʊ n tʰ WORD_BOUNDARY n əʊ WORD_BOUNDARY ɹ ɪə l ɪ WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY r e a l l y . WORD_BOUNDARY