grey。
英 [ɡre?] 美 [ɡre?]。
n.灰色;烟灰色;灰白色;灰马;白马。
adj.灰色的;烟灰色的;灰白色的;头发花白;苍白的;昏暗的;单调乏味的;没趣味的;老年人的。
vi.变灰白;变花白。
单词用法：
根据《柯林斯英汉双解大词典》，意为：
1.COLORGreyis the colour of ashes or of clouds on a rainy day. 灰色的
2.ADJIf the weather isgrey, there are many clouds in the sky and the light is dull. (天气) 阴沉的
3.ADJIf you describe a situation asgrey, you mean that it is dull, unpleasant, or difficult. 阴郁的
4.ADJIf you describe someone or something asgrey, you think that they are boring and unattractive, and very similar to other things or other people. 无特色的[表不满]