that's making it tighter
that make it tight
pro:rel part pro:per adj
that's making it tighter .
ð æ t s WORD_BOUNDARY m eɪ k ɪ ŋ WORD_BOUNDARY ɪ t WORD_BOUNDARY t aɪ t ə ɹ WORD_BOUNDARY
t h a t ' s WORD_BOUNDARY m a k i n g WORD_BOUNDARY i t WORD_BOUNDARY t i g h t e r WORD_BOUNDARY