如切如磋 Origin — Chinese Character Wiki

rúqiērúcuō

to learn from each other

如 rú preposition

to be like

to be like; to be similar to; as if
切 qiē verb

to cut

to cut; to slice; to carve into pieces; to sever or disconnect
如 rú preposition

to be like

to be like; to be similar to; as if
磋 cuō

to polish

(bound form) to polish or grind bone, horn, or ivory into tools or ornaments; to polish or smooth a surface