ace ones sleeve (noun) ace in the hole: hidden advantage
Sinonime: act, act a part, act like, act out, ape, assume character,
ditto*, do, do an impression of, double as, dress as,
enact,
fake,
imitate, make like, masquerade as,
mimic,
mirror, pass oneself off as,
perform, personate,
play, play a role, playact,
portray, pose as, put on an act,
represent, take the part of
Antonime: be original,
differ,
oppose,
reverse