劈山: level off hilltops; cut through hills; blast cliffs 短语和例子劈山采石 split mountains and hew rocks; 劈山筑路 blast cliffs to build highways [railways]; 劈山造田 level off hilltops and turn them into flat
劈山引水: cleave hills and lead in water; cut through mountains to bring in water; split up a hill to let the water through; tunnel through mountains to conduct water (from one place to another)
劈山改河: cut through a hill to change the course of a river