例句與造句

1. [panting ] doyou know you grind your teeth at night
   知道你夜里會(huì)磨牙嗎？
2. panting doyou know you grind your teeth at night
   知道你夜里會(huì)磨牙嗎？
3. It's difficult to find grind your teeth in a sentence. 用grind your teeth造句挺難的