know something like the palm of one's hand

英 [know something like the palm of one's hand]
美 [know something like the palm of one's hand]

中文释义

见 back (或 palm)；对某事(或某人)知道得很清楚，了如指掌

单词分析

单词结构：

know something like the palm of one's hand

字母数：42

记忆提示

🎯 重点记忆：

  • 单词拼写：know something like the palm of one's hand
  • 核心含义：见 back (或 palm)；对某事(或某人)知道得很清楚，了如指掌
  • 相关含义：对某事(或某人)知道得很清楚，了如指掌

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更新时间：2026-04-13 12:40:01