音: sound问: ask; inquire发音问题: text problems with pronunciation久疏音问: have been negligent in correspondence噪音问题: noise problem; sound problem符类福音问题: synoptic problem个别语音问题: appendix 5: individual and language-specific trouble spots罗马拼音问题: romanization issue航空噪音问题委员会: commission on aircraft noise兼论汉语拼音字母的读音问题: ct and hsk: concurrently on the pronunciation of letters in the chinese phonetic alphabet音握: oxime音文: otofumi音无: otonashi音位字母: phonemic alphabet音吾: otogo音位转换: metathesis音吾郎: otogoro音位重叠: overlapping of phonemes音五: otogo音位学障碍: phonological disorder