as hard as iron

更新日期：2026-08-14

词语	as hard as iron
释义	as hard as iron1.坚如铁石：They found that the ice on the river was as hard as iron.他们发现河上的冰坚如铁石。2. 非常冷酷： He treats small animals very cruelly because his heart is as hard as iron.他对待小动物非常残忍，因为他的心非常冷酷。
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