( informal ) people say speak / talk of the devil when sb they have been talking about appears unexpectedly :
Well, speak of the devil—here's Alice now!
( informal ) people say speak / talk of the devil when sb they have been talking about appears unexpectedly :
Well, speak of the devil—here's Alice now!
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005