used to say that sth that is happening is surprising :
I'm surprised they've invited me to their wedding—it's not as if I know them well.
used to say that sth that is happening is surprising :
I'm surprised they've invited me to their wedding—it's not as if I know them well.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005