arite

例句：

1. 1. She had a heart of iron and never gave up on her dreams.
   她心如铁石，从不放弃自己的梦想。
2. 2.The old man was heartless and only cared about his own interests.
   那个老人心如铁石，只关心自己的利益。
3. 3. The scientist's heart was stone-hearted and he refused to give up on his research.
   这位科学家的心如铁石，他拒绝放弃他的研究。