Senses
切磋 to learn from one another
To learn from each other by discussing or exchanging ideas; to compare notes
切磋 to carve and polish
(bound form) to cut and polish bone, ivory, or jade to make utensils or refine objects; used figuratively to describe the process of mutual self-improvement through study
切磋 to feel deep sorrow
(literary) to feel extreme pain or deep sorrow