( informal ) there is no limit to what sb can achieve, earn, do, etc. :
With a talent like his, the sky's the limit.
( informal ) there is no limit to what sb can achieve, earn, do, etc. :
With a talent like his, the sky's the limit.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005