切瑳琢磨せっさたくまCommonVariants切瑳琢磨せっさたくま切磋琢磨せっさたくまMeaningsdiligent application (to work or study); cultivating one's character by studying hardmutual encouragement (to improve); working hard together; friendly rivalryKanji used切be sharp瑳artful smile琢polish磨brush (teeth)