.英语中关于颜色的谚语Call black white and white black 颠倒是非 An evening red and a morning grey, is a sign of a fair day. 晚霞红如火，晓色青如灰，定是晴朗天。Indigo blue is extract from the indigo plant, but is bluer than the plant it comes from. 青出于蓝而胜于蓝 After black clouds, clear weather. 否极泰来After black clouds comes clear weather“雨过天青”，喻情况由坏转好。Red clouds in the east, rain the next day。“东有火烧云，次日雨来临”，Care brings grey hair. 忧虑催人老。A fox may grow grey, but never good狐狸会变，但本性难移At night, all cats are grey.
