Correct

何故

/ hégù /
Strokes

Definition

what for?/what's the reason?

Example

As a Pronoun

why; what for; for what reason

1
何故
chūyánxùn
出言不逊
  
?

What are his impertinent remarks for?

2
Hángbān
航班
何故
xiāo
取消
  
?

Why has the flight been cancelled?