Correct

呕心血

/ ǒu xīn xuè /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/呕心血-Chinese-idioms-Cchatty-f8ae6ef8-b127-430a-9ad7-f0ddadf8f9ec-1612776718.jpg

Collocation

1
呕心血的成果
2
呕心血地工作
3
为……(某事)而呕心血

Definition

呕心血

Literally means:

throw one's heart and blood up

Actually means:

exhaust one's energy

呕, vomit.

This phrase means using up one's wisdom and energy.

呕,呕吐。

呕心血,费尽了心思和精力。

Example

Used as predicate, adverbial adjunct or attributive, and it can have other words in between. (作谓语、状语、定语,中间可插入别的词语)
1
wèile
为了
gōng
公司
de
shēngcún
生存
zhǎn
发展
  
,
zhēnshi
真是
ǒu
jìn
le
xīnxuè
心血
  

He really tried his best for the survival and development of the company.

2
yòng
le
nián
de
shíjiān
时间
  
,
ǒuxīn
呕心
xuè
日夜
gōngzuò
工作
  
,
cái
míng
发明
chū
zhìliáo
治疗
zhèzhǒng
这种
guài
bìng
de
xīnyào
新药
  

It took him five years to work day and night to invent a new medicine to cure the strange disease.

3
Zhè
这部
diǎn
词典
shì
tuìxiū
退休
hòu
以后
  
,
huā
le
shí
nián
de
shíjiān
时间
biān
de
  
Duì
对于
zhège
这个
ǒu
xīnxuè
心血
de
chéngguǒ
成果
  
,
néng
háo
自豪
ma
  
?

It took him ten years to compile the dictionary after he retired. Can he not be proud of this hard-nosed achievement?