▲nervous adj. 精神紧张的
① adj. 神经质的，神经紧张的
She is a nervous woman. Do you see that nervous smile on her face?
② 紧张的，担心的，情绪不安的
He had never spoken in public, so he was very nervous.
词语辨析： nervous adj. 精神紧张的（事情发生时）
Examinations make me nervous.
▲worried adj. 担心的（为以后的事情）
Her parents are very worried about her safety.
▲upset adj. 不安的 (对以前的事情)
He failed the final exam, so he felt upset.
▲irritable adj. 易怒的，急躁的
Our teacher is an irritable old lady. She gets angry easily.
▲anxious adj.①忧虑的;焦虑的 feeling worried or nervous
●be anxious for sb/ about sth为某人/某事忧虑
（2011山东）Are you anxious and restless if you are separated from your mobile phone?不带手机你是否会感到焦虑？
②渴望的 wanting sth very much
be anxious to do
The parents suggested sleeping in the hotel room but their kids were anxious to camp out during the trip.
父母建议旅行期间住宾馆，但孩子们渴望露营。