question mark 1. 问号 2. 〈口〉未知因素,不可知的事物,不确定的事情;难题;存疑的问题 It will remain a question mark at least until tomorrow. 这事至少在明天以前尚无法确定。 Over the nation's future stands one gigantic question mark. 对于这个国家的未来打着一个大大的问号。(意指前途未卜) The recent spate of government scandals has left a question mark over their ability to govern. 近期政府的一系列丑闻使人们对其执政能力产生了疑问。