Generally speaking, it has five areas: its arbitrary reference, abstract reference, its usage of enumeration, denial usage and its euphemistic usage.

• 概括来说，它表现为五个方面：“什么”的任指用法、“什么”的虚指用法、“什么”的列举用法、“什么”的否定用法、“什么”表委婉语气的用法。