名词
中文翻译：铁石心肠的人
同义词：
['stiff-necked', 'inflexible', 'unyielding']
例句：
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1.She was a martinet to her children, never bending to their whims.
她对她的孩子非常严厉，从不妥协。
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2.The company's leadership is known for its strict policies and a martinet approach to work.
该公司的领导以其严格的政策和对工作的铁石心肠而闻名。
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3.Despite his tough exterior, he had a soft spot for animals and often went out of his way to help the less fortunate.
尽管他外表严厉，但他对动物有着深深的同情，经常尽力帮助那些不幸的人。