hé​wéihé​wèi

what is

何为 何為 hé​wéi
what is
Used to ask for a definition or explanation of a term, equivalent to "what is" or "what are"
to do what
(literary) Used to ask what someone is doing or intends to do
what for
(literary) Used in rhetorical questions to suggest that an action is useless or unnecessary, equivalent to "what is the point of" or "why bother"
何为 何為 hé​wèi
why
(literary) For what reason; why

Frequency

Written text
2.61 per million

Sources

Frequency data
BCC Corpus (BLCU)