唉 呦 真 难听 哦
ai1 you zhen1 nan2ting1 o1
co co adv adj co
唉 呦 真 难听 哦 .
ai̯˥ WORD_BOUNDARY j ou̯ WORD_BOUNDARY ʈʂ ə˥ n WORD_BOUNDARY n a˧˥ n tʰ i˥ ŋ WORD_BOUNDARY ɔ˥ WORD_BOUNDARY 
唉 WORD_BOUNDARY 呦 WORD_BOUNDARY 真 WORD_BOUNDARY 难 听 WORD_BOUNDARY 哦 WORD_BOUNDARY