cuō
(old) to polish bones, horns, ivory etc into tools
(bound form) to deliberate; to consult
切磋
qiē cuō
to compare notes; to learn from one another
切磋琢磨
qiē cuō zhuó mó
lit. cutting and polishing (idiom)
磋商
cuō shāng
to consult
磋磨
cuō mó
to polish and rub
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