knock one's head against a brick wall

英 [knock one's head against a brick wall]
美 [knock one's head against a brick wall]

中文释义

白费力气

单词分析

单词结构：

knock one's head against a brick wall

字母数：37

记忆提示

🎯 重点记忆：

  • 单词拼写：knock one's head against a brick wall
  • 核心含义：白费力气

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更新时间：2026-04-13 03:27:01