question n.& v

　　There is no question about his success.

　　此句中的question是不可数名词,意为“怀疑,疑问”,这是其最常见的用法。另外它还有其它的用法,如:

　　①I’d like to question you on your views about the housing problem. (此句中的question作及物动词,意为“问(某人)问题”。)

　　②His success is out of question.(out of question意为“没问题,办得到的”。)

　　③Watching the football match here seems to be out of the question.(out of the question意为“不可能的,办不到的”。)