that's a hard one
that a hard one
pro:dem det:art adj pro:indef
that's a hard one .
ð æ t s WORD_BOUNDARY ɐ WORD_BOUNDARY h ɑː ɹ d WORD_BOUNDARY w ʌ n WORD_BOUNDARY
t h a t ' s WORD_BOUNDARY a WORD_BOUNDARY h a r d WORD_BOUNDARY o n e WORD_BOUNDARY