e=mos2

美語的綠色跟藍色的意思，剛好跟這幾天的選民心情一樣…

in the green = in a good and easy situation 否極泰來 
After the English portion of the exam, you will be in the green.

Have the blues = to feel depressed 心情沮喪
I have the blues whenever I see dark-gray rain clouds over the sea.

in the pink = in good health  健康的
He has been in the pink ever since his heart surgery.

be in a black mood = to be in a bad or depressed mood  愁雲慘霧中，心情沮喪 
It's useless to try and talk to people when they are in a black mood.

in a brown study = in deep thought 沉思
It's sometimes difficult to understand him. He seems lost in a brown study.

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以上內容摘自：遠東 最新美式用語