keep an ace up one's sleeve

英 [keep an ace up one's sleeve]
美 [keep an ace up one's sleeve]

中文释义

手中留有王牌；有应急的妙计

单词分析

单词结构：

keep an ace up one's sleeve

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：keep an ace up one's sleeve
  • 核心含义：手中留有王牌；有应急的妙计
  • 相关含义：有应急的妙计

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更新时间：2026-02-26 16:25:48