I'm gonna let you down
I go let you down
pro:sub part v pro:per adv
i'm gonna let you down .
aɪ m WORD_BOUNDARY ɡ ə n ə WORD_BOUNDARY l ɛ t WORD_BOUNDARY j uː WORD_BOUNDARY d aʊ n WORD_BOUNDARY
i ' m WORD_BOUNDARY g o n n a WORD_BOUNDARY l e t WORD_BOUNDARY y o u WORD_BOUNDARY d o w n WORD_BOUNDARY