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

to wear down; to sap; to whittle away; to while away; to idle away