HSK 6
Correct

变故

/ biàngù / 
Strokes

Definition

an unforeseen event/accident/misfortune

Example

As a Noun

unexpected event; accident; misfortune; mishap

1
Tājiā
他家
lǚzāo
屡遭
biàngù
变故
  
,
dàn
但
tā
他
dōu
都
tǐng
挺
guòlái
过来
le
了
  
。

He stood firm and survived several misfortunes in his family.

2
Rúguǒ
如果
fāshēng
发生
biàngù
变故
zěnmebàn
怎么办
  
?

What if anything unexpected happens?