从 哪儿 开 呀
cong2 na3 kai1 ya
prep pro:wh v:resc sfp
从 哪儿 开 呀 !
tsʰ ʊ˧˥ ŋ WORD_BOUNDARY n a˧˩˧ WORD_BOUNDARY kʰ ai̯˥ WORD_BOUNDARY j a WORD_BOUNDARY 
从 WORD_BOUNDARY 哪 儿 WORD_BOUNDARY 开 WORD_BOUNDARY 呀 WORD_BOUNDARY