首先介绍表达“高兴”的习语：
over the moon，on cloud nine。这两个习语与汉语中常说的“乐得飞上天了”有异曲同工之妙。
He was over the moon when he heard the news.
听到这个消息，他高兴地飞上了天。
When I got the job, I was on cloud nine for several weeks.
得到这份工作后，我一连几周都乐滋滋的。
jump for joy 高兴得跳了起来。for介词，表示原因。
We jumped for joy when we got the mortgage.
取得了抵押贷款，我们高兴得跳了起来。
表达“非常生气”的习语：
see red 联想：生气时人涨红了脸不难理解，see red“脸上看见红色了”是“愤怒”的意思。
Don’t talk to him about his boss – it just makes him see red!
别提他老板，一提他就生气。
in a black mood 联想：在形容某人心情不好，一触就发火时，我们会说他“黑着脸”。
Be careful what you say – she’s in a black mood today.
小心说话，今天她心情很差。
表达“伤心”的习语：
down in the dumps，dump垃圾场，垃圾堆。被抛弃在垃圾堆中，可见是多么的伤心了。
When she left him, he was down in the dumps for a couple of weeks.
他被她甩了，一连几周都很沮丧。
feel blue，我们都熟悉blue可以表达“忧郁的，沮丧的”。
She felt a little blue when she lost her job.
她丢掉了工作，有点沮丧。