AN ACE UP YOUR SLEEVE


Meaning of AN ACE UP YOUR SLEEVE in English

( BrE ) ( NAmE an ace in the ˈhole )

( informal ) a secret advantage, for example a piece of information or a skill, that you are ready to use if you need to

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.