Correct

搭老本

/ dā lǎo běn /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/搭老本-Chinese-idioms-Cchatty-6771e527-9e3b-46c0-a1a1-ac19dc18de4d-1612777359.jpg

Collocation

1
老本都搭进去了
2
搭上……的老本
3
把……的老本搭上

Definition

搭老本

Literally means:

lose one's capital

Actually means:

It refers to using up all the money one has accumulated. It often means that one fails to attain his goal, or suffers a great loss of money.

指耗费了原有的钱财。多指事情没做成功,或因而花费钱财。

Example

Used as predicate, and can be used with other words in between. It can be used in an inverted order. (作谓语,中间可以插入别的词语,也可倒装)
1
Zhè
这部
diànyǐng
电影
hěn
chénggōng
成功
  
,
jǐn
不仅
shàng
le
de
lǎoběn
老本
  
,
hái
yǐngxiǎng
影响
le
zài
guānzhòng
观众
xīnzhōng
心中
de
xíngxiàng
形象
  

The film was very unsuccessful, not only to catch up with his old book, but also affected his image in the hearts of the audience.

2
ge
哥哥
wèile
为了
bāng
hái
diào
zhài
赌债
  
,
自己
de
lǎoběn
老本
quán
全部
shàng
le
  
,
zhīdào
知道
ma
  
?

Your brother put all his old books on the hook in order to help you pay off your gambling debts, don't you know?

3
Zhè
这次
chǎo
piào
股票
  
,
jǐn
不仅
méi
zhuànqián
赚钱
  
,
hái
自己
duōnián
多年
de
lǎoběn
老本
dōu
le
jìn
进去
  

This time, she not only did not make money, but also put her years of old books into it.