HSK V7-9
Correct

黑心

/ hēixīn / 
Strokes

Definition

ruthless and lacking in conscience/vicious mind full of hatred and jealousy/black core (flaw in pottery)

Example

As a Noun
vicious mind/intention; evil mind; black heart
1
Bùyào
不要
gěi
给
rén
人
shǐ
使
hēixīn
黑心
  
。

Don't do evil to others.

2
Kàntòu
看透
tā
他
de
的
hēixīn
黑心

see through his evil intention

As an Adjective
evil; wicked
As an Adjective
greedy; avaricious
As an Adjective
(certain goods) of poor quality