four four years old
four four year old
det:num det:num n adj
four four years old ?
f oː ɹ WORD_BOUNDARY f oː ɹ WORD_BOUNDARY j ɪ ɹ z WORD_BOUNDARY oʊ l d WORD_BOUNDARY
f o u r WORD_BOUNDARY f o u r WORD_BOUNDARY y e a r s WORD_BOUNDARY o l d WORD_BOUNDARY