Correct

赤忱

/ chì chén / 
Strokes

Example

As an Adjective

absolutely sincere; with complete sincerity

1
Chìchén
赤忱
xiāngdāi
相待

treat each other with utter/absolute sincerity

As a Noun

absolute/utter/complete/unqualified sincerity

2
Wǒ
我
bèi
被
tā
她
de
的
yī
一
piān
片
chìchén
赤忱
shēnshēn
深深
dǎdòng
打动
le
了
  
。

I was deeply touched by her unqualified sincerity.