易子而食

Explanation: Child refers to children. Song originally referred to the siege of Spring and Autumn Period, the city best food, the people exchange their children in order to describe the victims as food ◇ very miserable life. 　　Source: "Fifteen years Gongyangzhuan Venerable" Yiziersi of, analysis of skeletal and cook it. " 　　Examples: Some reports of serious famine situation, full of red earth is thousands of miles, "densely cut off" and ~ "and other frightening words. ★ Yao Xueyin" Rereading "The second volume Chapter XXII