蹿房越脊

1. • lit. to leap the house and cross the roofridge (idiom) dashing over rooftops (of robbers and pursuing knight-errant 侠客 in fiction)

Character by character

• 蹿(cuān)leap up
• 房(fáng)surname Fang
• 越(yuè)generic word for peoples or states of south China or south Asia at different historical periods
• 脊(jǐ)spine