If someone is nervous, they are frightened or worried about something that is happening or might happen, and show this in their behaviour.
例句
The party has become deeply nervous about its prospects of winning the next election...该党对赢得下一次选举的前景深感忧虑。She described Mr Hutchinson as nervous and jumpy after his wife's disappearance.据她描述，哈钦森先生自从妻子失踪后变得神经兮兮、一惊一乍的。
ADJ-GRADED
神经质的;神经过敏的
A nervous person is very tense and easily upset.
例句
She was apparently a very nervous woman, and that affected her career.她显然是一个很神经质的女人，这一点影响了她的事业。
ADJ
神经性的;神经的
A nervous illness or condition is one that affects your emotions and your mental state.
例句
The number of nervous disorders was rising in the region...该地区神经紊乱患者的人数在上升。He developed nervous problems after people began repeatedly correcting him.人们开始不停地纠正他的错误，之后他的神经就出现了问题。
英汉词典释义
n.
神经质,焦躁,胆小
Adjusting your tie is often a sign of nervousness.调整自己的领带通常是心情紧张的迹象。He betrayed nervousness by stammering.他说话结结巴巴说明他胆子小。
英英词典释义
Noun
1. the anxious feeling you have when you have the jitters