拿 拖把 拖 啊
na2 tuo1ba3 tuo1 a1
prep n v sfp
拿 拖把 拖 啊 .
n a˧˥ WORD_BOUNDARY tʰ w o˥ p a˧˩˧ WORD_BOUNDARY tʰ w o˥ WORD_BOUNDARY a˥ WORD_BOUNDARY 
拿 WORD_BOUNDARY 拖 把 WORD_BOUNDARY 拖 WORD_BOUNDARY 啊 WORD_BOUNDARY