[鸿沟 / 鴻溝, hóng gōuㄏㄨㄥˊ ㄍㄡ] wide gap; gulf; chasm; lit. name of old canal in Henan that formed the border between enemies Chu 楚 and Han 漢|汉, See Also: 楚, 漢, 汉#26357
[哀鸿遍野 / 哀鴻遍野, āi hóng biàn yěㄞ ㄏㄨㄥˊ ㄅㄧㄢˋ ㄧㄝˇ] lit. plaintive whine of geese (成语 saw); fig. land swarming with disaster victims; starving people fill the land#90576