磨叨

磨叨	mò dao	to grumble / to chatter
磨	mó	to rub / to grind / to polish / to sharpen / to wear down / to die out / to waste time / to pester / to insist
磨	mò	grindstone / to grind / to turn round
叨	dāo	garrulous
叨	tāo	to receive the benefit of