名词
中文翻译：铁牙
同义词：
['iron will', 'steel teeth']
例句：
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1.He has a strong iron will and never gives up easily.
他意志坚强，从不轻易放弃。
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2.Her steel teeth held her back from giving in to temptation.
她的坚定牙齿让她没有屈服于诱惑。
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3. The old man had the iron teeth to hold on to his beliefs even when faced with adversity.
这位老人拥有坚定的信念，即使在逆境中也能坚持自己的观点。