蹿房越脊cuān fáng yuè jǐ

leap up to the roofs and walk quickly on them; vault on the roofs
❍ 据说他那些人，能～，飞檐走壁，…… (梁斌《红旗谱》395)His men were said to vault on the roofs and scale walls.
❍ 把斗争说成……来无影，去无踪，～，……(梁斌《红旗谱》437) It was said that the students moved without a sound and left no trace behind,that they could break into houses and vault over roofs.

蹿房越脊cuān fánɡ yuè jí

脊：屋脊。跳上房子，越过屋脊，在上面轻快地飞走。形容身体灵巧，武艺高强。very light and have high skilled in military drill, vault on the roofs, leap from roof to roof or over walls

蹿房越脊cuān fánɡ yuè jǐ

跳上房顶，翻过屋脊。形容身体轻巧。