心 xīn heart
Made with 4 strokes.
A simplified picture of a heart
Ancient small seal form 
Sounds same
新 xīn (new) ; 辛 xīn (hard)Different tone
信 xìn (letter)Full character form of this simplified radical: 忄 xīn
Radical
Index 61 used in: 必 bì (certainly) ; 聪 cōng (quick at hearing) ; 德 dé (virtue) ; 怎 dìng (how) ; 恶 è (evil) ; 念 niàn (to read) ; 您 nín (you (polite)) ; 思 sī (to think) ; 忘 wàng (to forget) ; 想 xiǎng (to think) ; 意 yì (idea) ; 愿 yuàn (to hope) ; 志 zhì (aspiration)Pronunciation
Sound file kindly provided by shtooka.net ➚ under a Creative Commons Attribution Share Alike License
Stroke order for character 心, kindly provided under Wikimedia creative commons license ➚
Proverbs
不到黄河不死心 bù dào Huáng hé bù sǐ xīn Keep going until you hit an insurmountable obstacle口是心非 kǒu shì xīn fēi To say the opposite of what you really think
狼心狗肺 láng xīn gǒu fèi Ungrateful and unscrupulous
力不从心 lì bù cóng xīn Lacking in motivation to achieve aims
利欲熏心 lì yù xūn xīn To be obsessed with the desire for success at the expense of happiness
没做亏心事,不怕鬼叫门 méi zuò kuī xīn shì, bù pà guǐ jiào mén If you have done nothing wrong, there is no worry over retribution