feel blue 沮丧、难过
I woke up feeling blue.
我一起来就觉得很不爽。
Sometimes I feel blue. I don't know why. Maybe it's this terrible weather.
有时候我们郁闷，但是不知道为什么，也许是坏天气造成的。
green with envy 嫉妒
She married a very rich man so her friends were green with envy.
她嫁给了富豪，所以她的朋友很嫉妒她。
green-eyed 眼红
green hand 新手
He is still green hand at his job.
他在工作中还是个新人。
as green as grass 毫无经验
He is only eighteen and as green as grass.
他只有十八岁，毫无经验。
to paint the town red 狂欢
It's Mary's birthday so she is going out with some friends tonight to paint the town red.
今天是Mary的生日，所以她今天晚上要去和朋友狂欢。
in the pink 心情愉悦
After a good sleep and a tasty breakfast, I feel in the pink this morning.
觉睡好了饭吃好了，我觉得整个早上心情愉悦。