knock one's head against the wall

[knock one's head against the wall]
[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