Chou Collection, Upper Volume Radical: Mouth (kǒu) Kangxi strokes: 10 Page 192, Entry 04 Collected Rhymes (Jiyun): Pronounced hai (level tone). Indicates a sigh. Also, Tang Rhymes (Tangyun): Pronounced ai (level tone); Collected Rhymes (Jiyun) and Rhyme Collections (Yunhui): Pronounced ai (level tone). Explaining Graphs and Analyzing Characters (Shuowen): Indicates a response. Extended Rhymes (Guangyun): Refers to a slow or sluggish response. Book of Zhuangzi (Zhuangzi), Knowledge Wanders North: Kuang Qu said: Ai, I know it. Sound and Meaning (Yinyi): Ai is pronounced ai (level tone). Also pronounced ai (falling tone). Li Gui’s annotation gives the pronunciation as xi. Also, Guanzi (Guanzi), Duke Huan Asks: Yu established remonstrance drums in the court to prepare for consultation and startling inquiries. Annotation: Ai expresses astonishment and inquiry. Also, Collected Rhymes (Jiyun): Pronounced xi (level tone). Synonymous with ei. Explaining Graphs and Analyzing Characters (Shuowen): Indicates a word of detestation. Records of the Grand Historian (Shiji), Annals of Xiang Yu: The Second Father took the jade bucket, placed it on the ground, drew his sword and struck it, breaking it, and said: Ai, this boy is not worthy of planning great matters together. Annotation: The Search for Obscurities (Suoyin) says: Ai is an utterance expressing lamentation and hatred. Pronounced xi (level tone). Also, Collected Rhymes (Jiyun): Pronounced yi (level tone). Synonymous with ei. See the detailed note for the character ei under the Radical: Lack (qiàn). Also, pronounced ai (rising tone). The meaning is the same. Also, pronounced ying (level tone). Indicates a sound made in response. Also, pronounced yi (rising tone). Also, pronounced ai (falling tone). The meaning is the same. Also, Extended Rhymes (Guangyun): Pronounced ai (falling tone); Collected Rhymes (Jiyun): Pronounced ai (falling tone). The meaning is the same. Also, Extended Rhymes (Guangyun): Indicates the sound of being satiated.