Explanation
解释

Karen: Let's talk about the idiom 'a bundle of nerves' today!
Karen：今天我们讨论俗语“神经质”！
Matt: Yes! When you are very worried or nervous you are a bundle of nerves!
Matt：好的，当你非常担心和不安时候你就会变成神经质！
Karen: That's it. It also means to become extremely tense or anxious.
Karen：是的，它同样也意味着变得高度紧张和焦虑。
Matt: I am always a bundle of nerves during the exams!
Matt：在考试时我总是神经质！
Karen: You shouldn't be, Matt! You may also use this idiom as 'a bag of nerves'. It has the same meaning.
Karen：马特，你不应该那么紧张。你可能要用这样的俗语如“烦躁不安”，这是同样的意思。
Matt: This idiom can also mean to be extremely frightened, right Karen?
Matt：这句俗语也可以表示非常害怕，是吗，卡伦？
Karen: That's right. Martha was a bundle of nerves after watching the horror movie!
Karen：是的，玛莎看惊悚电影的时候非常害怕！
Matt: That's not funny. Don't take her to watch horror movies!
Matt：这并不好笑，不要带她去看惊悚电影！
Karen : Alright. I'll keep that in mind.
Karen：好的，我会注意的。
Matt: Okay, let's listen to some conversations now.
Matt：好了，现在让我们听几段对话。

Congratulations Lynn!
祝贺林恩

Hector: Congratulations Lynn! You won the dance competition!
Hector：恭喜你，林恩，你舞蹈比赛赢了！
Lynn: Thank you, Hector. I don't know how I did it!
Lynn：谢谢你，赫克托。我都不知道我怎样赢的！
Hector: It was superb, Lynn!
Hector：太完美了，林恩！
Lynn: You should've seen me before my presentation! I was a bundle of nerves!
Lynn：在我出场前你应该已经看到我了，我太紧张了！

New Professor
新教授

Hector: Our new professor is a bundle of nerves.
Hector：我们的新教授很紧张。
Lynn: Maybe it's her first day, that's why.
Lynn：可能是她的第一天吧，这就是为什么。
Hector: You know, she looked like she wouldn't even remember her name!
Hector：你知道的，她看起来甚至记不住自己的名字！
Lynn: Shut up! She's just a couple of years older than all of you.
Lynn：别说了，她仅仅比你们年长几岁而已。

A Minor Accident
小事件

Hector: Let me tell mom about the accident.
Hector：让我告诉妈妈这件事。
Lynn: Are you nuts? Don't call mom now!
Lynn：你疯了吗？现在不要叫她！
Hector: Why? It's just a minor one. Nothing happened!
Hector：为什么？仅仅是个小事件罢了，什么都没发生！
Lynn: Don't you know she's a bundle of nerves? She'll have a heart attack for nothing!
Lynn：你不知道她是个神经质吗？没事她都会气坏的！
Hector: Maybe you're right, we shouldn't tell her just yet.
Hector：或许你是正确的，我们现在不应该告诉她。