切磋琢磨

せっさたくま

diligent application (to work or study); cultivating one's character by studying hard; mutual encouragement (to improve); working hard together

Also written 切瑳琢磨

Meanings

Noun, Suru verb, Intransitive
diligent application (to work or study); cultivating one's character by studying hardFour-character idiom
mutual encouragement (to improve); working hard together; friendly rivalryFour-character idiom

Example sentences

君きみの実力じつりょくなら楽勝らくしょうだとは思おもうが、それに驕おごらず、まずはクラスのみんなと切磋琢磨せっさたくましていって欲ほしい。

With your ability it should be a doddle, but please don't get too big for your boots: apply yourself diligently like everyone in your class.