Correct

黑心肠

/ hēi xīn cháng /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/黑心肠-Chinese-idioms-Cchatty-6c1198e2-bed8-493e-9c79-38cc26a461dd-1612778475.jpg

Collocation

1
一副黑心肠
2
这么黑心肠
3
黑心肠的人

Definition

黑心肠

Literally means:

black heart

Actually means:

black mind

This phrase is used to describe the insidious and vicious mind with the connotation of evildoing or the intent of harming others. Derogatory.

指内心阴险恶毒。常唤起做坏事,或存心害人的联想。

Example

Used as predicate attributive, etc. (作谓语、定语等)
1
xiē
那些
guò
过期
shīxiào
失效
de
yàopǐn
药品
chóngxīn
重新
bāozhuāng
包装
  
,
dàngzuò
当作
xīn
chūchǎng
出厂
de
yào
mài
de
rén
  
,
jǐn
不仅
shì
hēi
xīncháng
心肠
  
,
érqiě
而且
shì
故意
hàirén
害人
  
,
men
我们
jué
决不
néng
qīng
ráo
men
他们
  

Those who repack out-of-date drugs as new ones are not only black-hearted, but also deliberately harmful, and we must not spare them.

2
Hēi
xīncháng
心肠
de
fàn
贩毒
fèn
分子
  
,
故意
yòupiàn
诱骗
zhī
无知
de
shàonián
少年
吸毒
  
,
shíshǔ
实属
zuìě
罪大恶极
  

Black-hearted drug traffickers, deliberately luring ignorant young people to take drugs, is a crime.

3
shì
hēixīncháng
黑心肠
de
rén
  
,
duì
jiǎng
zhèxiē
这些
shì
  
,
目的
shì
yào
tiǎo
挑起
men
你们
liǎng
rén
de
zhēngdòu
争斗
  
,
biàn
以便
cóngzhōng
从中
lāo
dào
hǎochu
好处
  

She's a black-hearted person who tells you these things in order to stir up a fight between you two in order to benefit from it.