COME UP / TURN UP TRUMPS


Meaning of COME UP / TURN UP TRUMPS in English

to do what is necessary to make a particular situation successful, especially when this is sudden or unexpected :

I didn't honestly think he'd pass the exam but he came up trumps on the day.

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