nail-biter怎么记

Sometimes a nail-biter's hands and fingers can become infected, but more often, the habit leads to an increased risk of contracting colds and other illnesses because it encourages the spread of germs from the nails to the lips and mouth.

在有些时候，有咬甲癖的人的手和手指会感染，但这种习惯在更多情况下会增加人们患上感冒和其他疾病的风险，因为这增大了细菌从指甲中传染到嘴唇和嘴里的几率。

The loss in Virginia, and a nail-biter in North Carolina yet to be decided, mean the Republican hold on the South is cracking.

弗吉尼亚州的失利，以及北卡罗来纳州的胶着状态意味着共和党在南部的阵营正在瓦解。

At the World Cup in Brazil, a 2-2 tie in stoppage time for the US against Portugal tonight, it was a nail-biter.

来看巴西世界杯的情况，葡萄牙在在今晚比赛的伤停补时阶段打入一球，和美国打成2比2平局，这是一场令人紧张的比赛。