磨牙 Save Sign in to save words móyá ㄇㄛˊ ㄧㄚˊ to grind one's teeth (during sleep) pointless arguing molar coll. Character by character 磨(mó)rub 牙(yá)tooth A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0