Correct

酸心

/ suān xīn /
Strokes

Example

As a Verb

feel sad; be grieved

1
shēnghuó
生活
fàngdàng
放荡
  
,
ràng
de
péngyou
朋友
men
suānxīn
酸心
  

Her wild living was a grief to her friends.

As a Verb

sour the stomach; suffer from heartburn

2
Zhèzhǒng
这种
shuǐguǒ
水果
chī
duō
le
suān
xīn
  

Eating too much of this fruit sours the stomach.