up one's sleeve

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

Prepositional phrase

 * 1)  Hidden and ready to be produced as needed; in reserve.

Usage notes

 * In this sense, the phrase most commonly occurs after a nominal such as, , , , , ,.

Translations

 * Arabic:
 * Chinese:
 * Mandarin:
 * Finnish: hihassa
 * French: dans sa manche
 * German: im Ärmel
 * Icelandic: luma á (verb), eiga í pokahorninu (verb), lúra á (verb), hafa í bakhöndinni (verb)
 * Italian: avere un asso nella manica
 * Japanese:
 * Korean:
 * Polish: w rękawie, w zanadrzu
 * Portuguese: na manga
 * Russian: ,
 * Spanish: debajo de la manga