Correct

赤心

/ chì xīn /
Strokes

Example

As a Noun

sincere heart; genuine sincerity; whole-hearted devotion; loyalty

1
men
他们
duì
guó
祖国
de
piān
chìxīn
赤心
cóngwèi
从未
dòngyáo
动摇
guò
  

Their loyalty to the motherland never wavered.