a card up one's sleeve

英 [a card up one's sleeve]
美 [a card up one's sleeve]

中文释义

秘而不宣的计划；(暗中)留着备用的锦囊妙计

单词分析

单词结构：

a card up one's sleeve

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：a card up one's sleeve
  • 核心含义：秘而不宣的计划；(暗中)留着备用的锦囊妙计
  • 相关含义：(暗中)留着备用的锦囊妙计

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更新时间：2026-02-26 00:10:33