but I really don't know
but I really do know
conj pro:sub adv mod v
but i really don't know .
b ʌ t WORD_BOUNDARY aɪ WORD_BOUNDARY ɹ i ə l i WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY
b u t WORD_BOUNDARY i WORD_BOUNDARY r e a l l y WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY