be surrounded by hills and rivers
It is a Chinese idiom, Pinyin is p ī sh ā nd à IH é, which means close to the mountain and around the river; it refers to a dangerous place. It's from Chu CE I, Warring States strategy.
The origin of Idioms
"Chu CE 1, Warring States policy:" Qin territory is half of the world, and the army is against four countries. It is surrounded by mountains and rivers, and the four fortresses are regarded as solid. "
Idiom usage
It's a combination. It's an attributive. It describes the dangerous terrain. Qindi is the most successful place in the world, not like Xianyang. It is surrounded by mountains and rivers. (Chapter 87 of the chronicles of the Eastern Zhou Dynasty by Feng Menglong of the Ming Dynasty) the land of Qin is thought to be solid by mountains and rivers, and it is also a country of four fortresses. Since Miao Gong, as for more than 20 kings of Qin, they were often princes. How wise is this? (on Guo Qin)
be surrounded by hills and rivers
cold weather sets in as the year draws to its close - suì mù tiān hán
The condition is exposed and the strength exhausted. - qíng xiàn shì qū