This is the 6913th most frequent Chinese word.
為何
"Why; for what reason."
The phrase '為何' is used as a formal way to ask 'why', introducing a question about the reason for the subsequent statement.
為何你今天看起來心情不好？
Why do you seem to be in a bad mood today?
Here, '為何' functions to inquire about the underlying reasoning or cause within a context, demonstrating curiosity or the pursuit of understanding.
他決定辭職，我很想知道此中有為何。
He decided to resign; I really want to know the reasons for this.
In this case, '為何' is embedded within a clause to question the reason behind an occurrence, reflecting a critical perspective.