have got an ace up (one's) sleeve
have got an ace up (one's) sleeve
To have a secret plan, idea, or advantage that can be utilized if and when it is required. A reference to cheating at a card game by hiding a favorable card up one's sleeve. I've got an ace up my sleeve for this race—my stamina. The other runners don't stand a chance! I hear that the defense attorney has got an ace up her sleeve—a new eye-witness.
See also: ace, have, sleeve, up
Farlex Dictionary of Idioms.
- a card up (one's) sleeve
- card up sleeve
- have (something) up (one's) sleeve
- have a card up your sleeve
- have an ace up (one's) sleeve
- have an ace up your sleeve
- have an ace/a trick up your sleeve
- have something up your sleeve
- have up sleeve
- trick up (one's) sleeve