[mó yá]
(睡觉时咬牙) grind one's teeth in sleep
(多费口舌) indulge in idle talk; argue pointlessly
Don't waste your time arguing with him.
你不用跟他磨牙。
[解] [生] molar (teeth); grinding teeth; back teeh; azzle-tooth; axle-tooth; mylodontes; bruxism; brygmus
premolar
前磨牙