(fig.) gulf; chasm; wide gap; (originally) the Hong Canal in Henan, which in ancient times formed the border between enemies Chu 楚 (Chǔ) and Han 汉 (Hàn)
Traditional 鴻溝
Meaning
hónggōuhong2 gou1
(fig.) gulf; chasm; wide gap
(originally) the Hong Canal in Henan, which in ancient times formed the border between enemies Chu 楚Chǔ and Han 汉Hàn