心肠硬的

例句：

1. 1.He is known for his hard-heartedness towards criticism.
   他因对批评的固执而闻名。
2. 2.The company's decision to invest in a new project was met with hard-hearted opposition from some shareholders.
   公司决定投资一个新项目时，一些股东表示了强烈的反对。
3. 3. Despite her efforts, she found herself in a situation where she had to be hard-hearted about the outcome.
   尽管她努力了，但她发现自己不得不对结果保持冷酷的态度。