heart of stone
Iron heart, Chinese idiom, Pinyin is ti ě D ǎ x ī NCH á ng, which means that the heart is cast like iron and describes a person's strong temperament. From wrong body.
The origin of Idioms
The eighth part of Song Dynasty's Wu Mingshi's "CuO Li Shen" is: "if you want to see that there is no old friend in the world, you will be firm hearted and pour tears into your eyes."
Idiom usage
Used as an object or attribute; used in dealing with affairs. Dad, you killed him in a moment's anger. If you see this, you will feel sad with your heart. Xu Lin's xiuru Ji in Ming Dynasty
heart of stone