knock one's head against the wall

英 [knock one's head against the wall]
美 [knock one's head against the wall]

中文释义

un. 避免灭顶之灾；白费力气

单词分析

单词结构：

knock one's head against the wall

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：knock one's head against the wall
  • 核心含义：un. 避免灭顶之灾；白费力气
  • 相关含义：白费力气

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更新时间：2026-02-22 08:57:54