knock one's head against a brick wall

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