磨牙 móyá to grind one's teeth Origin Definitions Defs Strokes Stroke Words Sentences Sents móyá to grind one's teeth · molar 磨 mó verb to rub to rub; to grind; to polish; to sharpen; to wear down; to press against another object牙 yá noun tooth tooth; teethmóyá to argue pointlessly · to chat 磨 mó to pester to pester; to bother; to annoy someone persistently; to trouble牙 yá noun tooth tooth; teeth