来自nerve,神经，神经质，引申词义紧张的。俚语义有勇气的，来自nerve,肌腱，勇气。

1. Alan was irritable, and very evidently in a nervy state.

艾伦很急躁，很明显他处于紧张不安的状态。

2. Sometimes dad was nice to us, but sometimes he was bad-tempered and nervy.

爸爸有时对我们很好，但有时他脾气暴躁，焦虑不安。

3. John liked him because he was a nervy guy and would go out and shoot anybody who John wanted him to shoot.

约翰喜欢他，因为他胆大，约翰想干掉谁他就会出门去一枪把那人干掉。

4. Why is it doctor that I am always so nervy, tense and ready to jump on anybody.

大夫,为什么我总是感到神经质 、 紧张、爱发脾气.

5. The nervy feats of the mountaineers were lauded.

登山者有勇气的壮举受到赞美.