I don't know he's pretty strong
I do know he pretty strong
pro:sub mod v pro:sub adv adj
i don't know he's pretty strong.
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY h iː z WORD_BOUNDARY p ɹ ɪ t i WORD_BOUNDARY s t ɹ ɔ ŋ WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY h e ' s WORD_BOUNDARY p r e t t y WORD_BOUNDARY s t r o n g . WORD_BOUNDARY