名词
中文翻译：铁石心肠
同义词：
['iron-willed', 'heartless', 'unfeeling例句：1. He is known for his iron-willed determination to succeed.（他以坚定的决心成功而闻名。）']
例句：
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1. He is known for his iron-willed determination to succeed.
他以坚定的决心成功而闻名。
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2.Her heartless behavior towards her family was shocking.
她对家人的冷酷行为令人震惊。
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3.The CEO's heartless attitude towards employees has led to a decline in morale.
首席执行官对员工的冷酷态度导致士气低落。