怎么 掉 了 呢
zen3me diao4 le ne
adv:wh v:resc asp sfp
怎么 掉 了 呢 ?
ts ə˧˩˧ n m ɤ WORD_BOUNDARY t j au̯˥˩ WORD_BOUNDARY l ɤ WORD_BOUNDARY n ɤ WORD_BOUNDARY 
怎 么 WORD_BOUNDARY 掉 WORD_BOUNDARY 了 WORD_BOUNDARY 呢 WORD_BOUNDARY