hard as nails

英 [hard as nails]
美 [hard as nails]

中文释义

铁石心肠;冷酷无情

单词分析

单词结构：

hard as nails

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：hard as nails
  • 核心含义：铁石心肠;冷酷无情

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更新时间：2026-02-01 21:45:32