once in a while
once in a while
adv prep det:art n
once in a while .
w ʌ n s WORD_BOUNDARY ɪ n WORD_BOUNDARY ɐ WORD_BOUNDARY w aɪ l WORD_BOUNDARY
o n c e WORD_BOUNDARY i n WORD_BOUNDARY a WORD_BOUNDARY w h i l e WORD_BOUNDARY