Xu Collection, Upper Volume Radical: Metal (jīn) Bi Kangxi stroke count: 21 Page 1323, Entry 35 According to Broad Rimes (Guangyun) and Collected Rimes (Jiyun), pronounced bi (falling-rising tone). Refers to the ear-shaped part of a plow. Also according to Collected Rimes (Jiyun), pronounced bi (falling-rising tone). The meaning is the same. Also pronounced bi (falling tone). Refers to sharpening a knife.