Synonym for opening a bridge on a mountain and meeting water: opening a bridge on a mountain and meeting water.
Idiom grammar: as predicate, object and attribute; Used in military, etc.
Degree of common use: common idioms
Emotion and color: neutral idioms
Idiom structure: complex sentence idioms
Generations: Contemporary Idioms
Open a road on the mountain and build a bridge over the river.
Idiom riddle: pioneer engineer