Mao Collection, Upper Volume Radical: Heart (xīn) Character: Yi Kangxi strokes: 11 Page 387, Entry 13 Pronounced yi (falling tone). According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it means to be uneasy. Derived from the Heart radical with yi serving as the phonetic component. According to the Jade Chapters (Yupian), it means worry. In the Verses of Chu (Chu Ci), specifically the section titled Questions of Heaven (Tianwen), it is written: King Wu and King Fa destroyed the Yin dynasty; what was there to be worried about?