up one's sleeve

介词短语
中文释义

英文释义

介词短语
  1. Hidden and ready to be produced as needed; in reserve. idiomatic
    — I have tried everything I can think of, and I don't have anything more up my sleeve.

词形变化

up one's sleeves alternative

词源

From the practice of magicians hiding tricks or gimmicks in the sleeve.
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