be on one's mettle

英 [be on one's mettle]
美 [be on one's mettle]

中文释义

鼓起勇气

单词分析

单词结构：

be on one's mettle

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：be on one's mettle
  • 核心含义：鼓起勇气

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更新时间：2026-02-04 23:01:47