Mao Collection, Upper Volume Radical: Heart (xīn) Strokes: 9 Page 382, Entry 13 Pronounced fei (falling tone). Surname Fei. Pronounced fei (falling tone). The appearance of exhaustion and anger. Zhuangzi (Zhuangzi), Heaven and Earth Chapter: With an angry expression. Pronounced fei (falling tone). Pronounced fo. Shuowen Jiezi (Shuowen): Feeling depressed or stifled. Wei Music Bureau (Wei Yuefu), Bitter Cold Song: Why is my heart so depressed? Sometimes also written in a variant form (fu). History of the Former Han (Qian Hanshu), Record of Channels and Ditches, Huzi Song: The fish are submerged and hidden in the winter sun. Also written as fei. Records of the Grand Historian (Shiji), Book of the River and Canal, Huzi Song: Written as fei yu. Pronounced bei (falling tone). Records of the Grand Historian (Shiji), Preface of the Grand Historian: The words of the five families are conflicting and divergent. This means the texts of the five families each contradict one another and are not the same. The explanatory notes suggest this reading.