笔 头 都 弄 断 了
bi3 tou2 dou1 nong4 duan4 le
n n adv v v:resc asp
笔 头 都 弄 断 了 .
p i ˧˩˧ WORD_BOUNDARY tʰ ou̯ ˧˥ WORD_BOUNDARY t ou̯ ˥ WORD_BOUNDARY n ʊ ˥˩ ŋ WORD_BOUNDARY t w a ˥˩ n WORD_BOUNDARY l ɤ WORD_BOUNDARY 
笔 WORD_BOUNDARY 头 WORD_BOUNDARY 都 WORD_BOUNDARY 弄 WORD_BOUNDARY 断 WORD_BOUNDARY 了 WORD_BOUNDARY