Wei Collection, Middle Volume. Radical: Ear (ěr). Kangxi strokes: 11. Page 966, Entry 28. According to the Tang Rhyme (Tangyun) and Collected Rhymes (Jiyun), it is pronounced wa (entering tone). According to Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it is defined as the appearance of being ignorant. According to the Broad Rhyme (Guangyun), it is pronounced yi. The meaning is the same. According to the Broad Rhyme (Guangyun) and Collected Rhymes (Jiyun), it is pronounced tui. In the compound word wa-wai, it refers to the appearance of being foolish or insane. According to the Broad Rhyme (Guangyun), it is pronounced chuo. It indicates being completely unable to hear.