Correct

老八辈子

/ lǎo bā bèi zi /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/老八辈子-Chinese-idioms-Cchatty-ea206207-f49f-4e57-a792-5980f896ed16-1612777966.jpg

Collocation

1
他们家老八辈子
2
老八辈子修来的福气
3
老八辈子的话
4
老八辈子的事

Definition

老八辈子

Literally means:

old eight generations

Actually means:

It is used figuratively to describe a long time ago, ancient and out-dated. It can also mean many years or many generations apart.

形容年代久远,古老,陈旧。也指长时间或好几代人。

Example

Used as attributive, subject or object. (作定语、主语、宾语)
1
Zhè
lǎo
bèizi
八辈子
de
huà
  
,
méi
rén
tīng
le
  
,
hái
jiǎng
gàn
干嘛
  
?

This old eight-year-old words, no one listens, you still talk about it why?

2
tǎo
shàng
le
zhème
这么
yòu
cōngming
聪明
  
,
yòu
piàoliang
漂亮
de
lǎo
老婆
  
,
zhēn
de
shì
lǎo
老八
bèizi
辈子
xiū
lái
de
qi
福气
  

He asked for such a clever, beautiful wife, is really the blessing of the old eight years.

3
Zhè
rén
女人
zhēn
hai
厉害
  
,
chǎojià
吵架
rénjiā
人家
lǎo
bèizi
辈子
dōu
le
  

This woman is so good that the quarrel has scolded everyone for the last eight lives.