蹿 ㄘㄨㄢ cuān 房 ㄈㄤ ˊ fáng 越 ㄩㄝ ˋ yuè 脊 ㄐㄧ ˇ jǐ 躥 ㄘㄨㄢ cuān 房 ㄈㄤ ˊ fáng 越 ㄩㄝ ˋ yuè 脊 ㄐㄧ ˇ jǐ lit. to leap the house and cross the roofridge (idiom); dashing over rooftops (of robbers and pursuing knight-errant 俠客|侠客 in fiction)