Correct

红心

/ hóngxīn / 
Strokes

Definition

heart ♥ (in card games)/red, heart-shaped symbol/bullseye

Example

As a Noun

red heart—loyalty to the revolutionary cause

1
Yī
一
kē
颗
hóngxīn
红心
  
,
liǎngshǒu
两手
zhǔnbèi
准备

be utterly devoted to the cause and prepared to accept a good or bad career prospect

2
Yī
一
kē
颗
hóngxīn
红心
wéi
为
zǔguó
祖国

serving the motherland heart and soul