hóng xīn
zhǐ yòng xīn zhuān Means the heart is not specific  zhǐ yòng xīn zhuān míng zhāng zhènggōng shèng xuéshī bào 'ér shí hán xíng zhōng wéi lěijiè hóng xīnzhuān jīng dào nǎi zhì