noun, noun or participle which takes 'suru', intransitive verb
diligent application; cultivating character through study
Focuses on individual effort: working hard at one's studies or self-improvement, often with a moral or character-building nuance.
彼は日々切磋琢磨して、立派な研究者になった。
He applied himself diligently every day and became a fine researcher.
noun, noun or participle which takes 'suru', intransitive verb
mutual encouragement; friendly rivalry; working hard together
Emphasizes a group dynamic: people pushing each other to improve through shared effort and healthy competition.
同じ目標を持つ仲間と切磋琢磨することで、お互いに成長できる。
By working hard together with friends who share the same goal, we can grow together.