Xu Collection, Upper Volume Radical: Metal (jīn) juan Page 1309, Entry 16 According to the Collection of Rhymes (Jiyun), pronounced juan (rising tone). It means to bend metal. According to the Master Lu's Spring and Autumn Annals (Lüshi Chunqiu), if it is soft it will bend, if it is hard it will break. Also, the sword breaks and bends, how can it be a sharp sword. Also, according to the Collection of Rhymes (Jiyun), pronounced juan (rising tone). The meaning is the same.