Inside and outside the mountains and rivers-inside and outside: inside and outside. There is a big river outside and a high mountain inside. Refers to mountains and rivers as barriers. The terrain is dangerous, easy to defend but difficult to attack.
Surrounded by mountains and waters-backed by mountains and surrounded by water. Refers to a dangerous place.
The inner belt of mountains and rivers-a metaphor for the danger of the situation around mountains and rivers, just like the skirts and belts on people.
High city deep pool-pool: moat. The city walls are high and the moat is deep. Describe the defense as strong.
Jincheng Tang Chi-City, Pool: City Wall and Moat; Soup: Hot water. Metal city wall, boiling water moat. Metaphor is extremely strong and well-defended cities or fortifications.
Rivers and mountains bring vigor-River: Yellow River. Mountain: Mount Tai. Belt: belt. The Yellow River is as thin as a belt, and Mount Tai is as small as a millstone. Metaphor is a long time, and nothing will change your mind.
Cliff: A steep stone wall. Describe the steep mountain.
Walking into the barren land-poor mountain: barren mountain; Bad water: a fast-flowing river. Describe a place with very bad natural conditions.
Dragon and Tiger Plate: Round and round; Juju: Sit down. Crouching like a dragon. Especially in Nanjing. It also describes the majestic and dangerous terrain.
Take high risks-occupation: occupation. Occupy a high and dangerous terrain.
Pinch your neck and control your throat-a metaphor for holding a dangerous place.
High mountains and deep streams-There is a deep stream below the high mountains. Describe the dangers of the terrain
The tiger shines on the dragon pan-describing the majestic terrain. It's the same as "tiger sitting on a dragon's plate"
The firmness of the four-sided blockade-the initial description of the border is that the terrain is dangerous on all sides, and it is easy to defend but difficult to attack. The latter refers to the place where the terrain is dangerous and solid.
The Yangtze River is a moat. The Yangtze River is a natural trench. Describe the Yangtze River as a dangerous and insurmountable terrain.
The firmness of the letter-the metaphor of the terrain is dangerous.
Place of use-a place that describes dangerous terrain and is conducive to combat. A place or opportunity where a person can show his talents.
Natural Graben of the Yangtze River-Graben: Trench. The Yangtze River is a natural pit and a dangerous place. In the past, the Yangtze River was described as dangerous and insurmountable.
Blocking the mountain with a river-surround the river with mountains on the back. Of a dangerous situation.
One person guards it, but ten thousand people can't force it-the mountain is high and dangerous. Tens of thousands of people can't get in with a pass. It is described as steep terrain. It also describes that one person is brave and resourceful, and one person blocks ten thousand people.