心情不错
1.on cloud nine 美滋滋
I'm on cloud nine today.
我今天心情特别好，美滋滋的。
2.in the pink 精神愉悦
She has just finished her long holiday in Hawaii.
She looks in the pink!
她刚在夏威夷度完长假，看起来状态可真好。
3.with a light heart 非常轻松
After finishing the last examination, I came home with a light heart.
考完试回家的心情特别轻松。
心情不好
1.down in the dumps 心情糟透了
You seem down in the dumps, what's wrong?
你看起来很不开心啊，怎么了？
2.down in the mouth 情绪低落
Lily was down in the mouth when she knew her grandmother was sick.
Lily知道外婆生病以后，心情就很低落。
3.in a snit 焦虑不安
Anderson was in a snit when she lost her kitten.
Anderson发现她的小猫丢了，特别焦虑不安。
