1. have a chip on one’s shoulder

释义1：If someone has a chip on their shoulder, they feel angry and resentful because they think that they have been treated unfairly, especially because of their background. （气愤不满，恼火，恼怒）

用法：可以用get或者carry来替代have表示同样的意思，即：carry a chip on one’s shoulder, get a chip on one’s chip.

e.g. Mary has got a chip on her shoulder about not having obtained the scholarship.

玛丽由于没有得到奖学金而愤愤不平。

e.g. She thinks Jenny has a chip on his shoulder because she didn't go to university.

她想Jenny因未能去读大学而耿耿于怀。

e.g. He's got a chip on his shoulder about not having been invited to the party.

他因没被邀请参加派对而耿耿于怀。

e.g. Kate has a chip on her shoulder when it comes to discussing her career.

当谈论到她的职业生涯时，凯特总是很生气。

释义2：好斗，叫板，互不相让

e.g. He is not popular among his peers. He always seems to have a chip on his shoulder.

他在同学中人缘不好，他好像总要别人叫板。

e.g. A: What is bothering that guy? 那家伙怎么啦？

B: Nothing. He’s just had a chip no his shoulder. 没什么。他想和我叫板。

A: Then let me teach him a lesson. 那我就教训他一下吧。

2. have a rock in the head

释义：缺心眼，没脑子

e.g. She appeared to have a rock in the head, quite naive and guileless. All she knew was that she wanted her husband.

看上去她是缺个心眼，太天真老实了，只知道要她的丈夫。

e.g. A: You must have a rock in the head. How dare you curse me in public?

你一定是脑子进水了，你怎么在大庭广众下辱骂我呢？

B: I am sorry, darling, I was drunk.

对不起，亲爱的，我喝醉了。

e.g. A: Is there anything wrong with me? You seems so angry.

我做错什么事情了吗？你看上如此生气。

B: I think you have a rock in the head and you've been cheated, that's what!

你这个缺个心眼儿，你受骗了，就是这么回事。