have sth. at one's fingers

[have sth. at one's fingers]
[have sth. at one's fingers]

中文释义

对某事了如指掌, 精通某事物

单词分析

单词结构:

have sth. at one's fingers

字母数:26

记忆提示

🎯 重点记忆:

  • 单词拼写:have sth. at one's fingers
  • 核心含义:对某事了如指掌, 精通某事物