off the wall
言行古怪或離奇古怪
口語·形容古怪或出格
英文釋義
strange, unconventional, or bizarre
例句
His ideas are so off the wall that nobody takes him seriously.
典故來源
可能源于體育(如壁球)中球反彈出墻的意外軌跡,引申為不合常規。