切磋琢磨

lit. cutting and polishing (idiom) / fig. to learn by exchanging ideas or experiences

to cut / to slice / tangent (math)

definitely / absolutely (not) / (scoffing or dismissive interjection) Yeah, right. / Tut! / to grind / close to / eager / to correspond to / see also 反切[fan3 qie4]

to compare notes / to learn from one another / to swap pointers

to compare notes; to learn from one another

deliberate / to polish

to cut (gems)

used in 琢磨[zuo2 mo5] / Taiwan pr. [zhuo2]

to carve and polish (jade) / to polish and refine a literary work

to ponder / to mull over / to think through / Taiwan pr. [zhuo2 mo2]

to rub / to grind / to polish / to sharpen / to wear down / to die out / to waste time / to pester / to insist

grindstone / to grind / to turn round