know something like the back of your hand

[know something like the back of your hand]
[know something like the back of your hand]

中文释义

[网络] 了如指掌

单词分析

单词结构:

know something like the back of your hand

字母数:41

记忆提示

🎯 重点记忆:

  • 单词拼写:know something like the back of your hand
  • 核心含义:[网络] 了如指掌