grey
灰色
gray?n.戈瑞；（Gray）人名：格雷；格瑞
pessimistic?adj.悲觀的
gloomy?adj.黑暗的；光線不好的；感到悲傷（或悲觀）的；使悲傷的
obscure?adj.未被發現的；未被查實的；無人知曉的；不確定的；模糊的；難懂的；費解的；晦澀難懂的；不出名的；昏暗的
ambiguous?adj.可作多種解釋的；有歧義的；不確定的；不明朗的
例句
他對取消現行考試制度持灰色態度。
He is ambiguous about eliminating the present exam system.
壹些人熱衷寫灰色的東西。
Some people make a point of writing about pessimistic themes.
窗簾被城市裏的煙灰染成灰色了。
The curtains were grey with city smuts.
她回過頭來用灰色的眼睛瞪著他。
Her grey eyes stared back at him.
立法中的壹些灰色區域仍有待明確。
Grey areas in the legislation have still to be clarified.