have sth. at one's fingers

英 [have sth. at one's fingers]
美 [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

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更新时间：2025-12-24 08:08:25