1·They are both grinding teeth to suck blood.
磨牙吮血，杀人如麻。
2·It is very useful for us to develop the quality of grinding teeth adn add the knowledge on grinding teeth.
这对于提高磨齿质量，加深对磨齿的认识是非常有用的。
3·Some of those body parts are already under pressure from long hours at the computer, restless sleep, grinding teeth and poor posture.
有些身体部位早已因长时间看电脑、睡眠不足、磨牙和姿势不当等承受了很大的压力。
4·If you often wake up with a dull headache or sore jaw, you may be grinding your teeth or clenching your jaw while you sleep, a problem called bruxism.
如果你经常醒来的时候有轻微的头痛或下巴肿痛，你可能是在睡觉的时候磨牙或者紧闭牙关，被称为夜间磨牙症。
5·It may not seem like a serious problem but persistent grinding and putting pressure on your pearly whites can lead to shortening and ruining of the teeth as well as joint problems later on.
也许那看上去不是什么大问题，但长时间的磨牙、持续对你的一口白牙齿施压会和下面要提的一些问题一样，减少牙齿寿命、破坏牙齿健康。
6·Dentists claimed that massive debt and deficit problems in Ireland have left the country with an increasing number of cases of teeth-grinding.
牙医们反应，爱尔兰的债务危机和赤字问题使得当地的磨牙症呈不断攀升的趋势。
7·We all know that slacking off on dental hygiene is the first way to get cavities, but stress can also be a culprit, say experts, especially when you’re grinding your teeth at night or during the day.
我们都知道对牙齿保健的懈怠是诱发龋齿的第一因素，但专家称压力也可能导致龋齿，尤其是当你晚上或白天磨牙时。
8·Grinding or clenching your teeth (which can intensify if you're stressed) can cause excessive wear and even cracking and chipping.
磨牙和紧要牙齿(应激状态下会加剧)会导致牙齿过度磨损甚至出现裂缝。
9·If you're awake and grinding your teeth, you'll notice when it starts to hurt and you'll stop, but when you're asleep, the body isn't as attuned.
当醒着磨牙时，你能感受到伤害因而不再继续，但当睡觉时身体就没有这么协调。
10·Mandel explains teeth grinding, which many women do, as "chewing over the day's stressors."
Mandel解释道，许多女性常常磨牙，就像“要把一天的压力嚼碎一样”。