“灰的”的英语？

装运着沉甸甸的记忆, 亮的 、 暗的、灰的.Loaded with heavy memories -- bright, dark and gray.天是灰的,心是沉的.Should we wait for the weather to clear?苍茫依然, 光辉正穿透尘灰的层云.Misty it is still, glowing through clouds of dust and reek....