| 鸿沟 | hóng gōu | (fig.) gulf; chasm; wide gap; (originally) the Hong Canal in Henan, which in ancient times formed the border between enemies Chu 楚 and Han 汉 | |
| 鸿雁 | hóng yàn | (bird species of China) swan goose (Anser cygnoides) | |
| 鸿门宴 | hóng mén yàn | Feast at Hongmen; (fig.) banquet set up with the aim of murdering a guest; refers to a famous episode in 206 BC when future Han emperor Liu Bang 刘邦 | |
| 轻于鸿毛 | qīng yú hóng máo | light as a goose feather (idiom); trifling; unimportant | |
| 鸿运 | hóng yùn | variant of 红运 |
