HSK V7-9
Correct

千家万户

/ qiān jiā wàn hù / 
Strokes

Definition

every family (idiom)

Example

Definition
every family; numerous/innumerable households
1
Zhè
这
jiàn
件
shì
事
guānjì
关系
dào
到
qiānjiāwànhù
千家万户
  
,
bìxū
必须
chǔlǐ
处理
hǎo
好
  
。

This issue affects the livelihood of every family and must be handled properly.