灰蒙蒙 Traditional form: 灰蒙蒙 Pinyin (reading): huīmēngmēng Definitions: dusky overcast (of weather) Characters: 灰 - ashes; dust; lime, mortar 蒙 - to cover; to deceive; Mongolia 蒙 - to cover; to deceive; Mongolia Traditional characters: 灰 - ashes; dust; lime, mortar 蒙 - to cover; to deceive; Mongolia 蒙 - to cover; to deceive; Mongolia