Question

Why什么意思

Answer 1

why是为什么的意思，基本都用于疑问句中。

Answer 2

why
interrogative adverb
for what reason or purpose
为什么
why did he do it?.
他为什么做这件事？。
■[withnegative]used to make or agree to a suggestion
为什么（表示建议或同意建议）
why don't I give you a lift?.
我何不让你搭个便车？。
relative adverb
(with reference to a reason) on account of which; for which
为什么；所以
the reason why flu jabs need repeating every year is that the virus changes.
需要每年打流感预防针的原因是因为病毒会变异。
■the reason for which
为什么
each has faced similar hardships, and perhaps that is why they are friends.
每个人都曾碰到相似的困难，这也许就是他们成为朋友的原因。