have a card up sleeve



have a card up your sleeve

to have an advantage that other people do not know about I still had a card up my sleeve in the form of a letter from his father.
See also: card, have, sleeve, up

Common Names:

NameGenderPronouncedUsage
Silouanos-Biblical Greek
Diarmuid-Irish, Irish Mythology
Durham['dʌrəm]
KelseyKEL-seeEnglish
Archimedes[a:ki'mi:di:z]
Roksanarawk-SAH-nah (Polish)Russian, Polish