名词
中文翻译：铁石心肠
同义词：
['iron-willed', 'heartless']
例句：
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1.The old man was tetanicumtowards his grandson's requests.
这位老人对孙子的要求非常固执。
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2. She had atetanicum attitude towards her boss's decisions.
她对老板的决定持有非常强硬的态度。
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3. Despite the tough times, heremained tetanicum in his determinationto succeed.
尽管面临困难，他仍然坚定地追求成功。