短语词组短語taper off at the top 物躰下大上小skim off the top 瞞天過海cut off the top 削頂skin off the top 瞞天過海right off the top 開始go off the top 冒火fell off the top 上掉了下來shut off the top window 關閉天窗off the top ofone 's head 不假思索 返回 off the top