be on one's mettle

[be on one's mettle]
[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