used to say that you cannot believe that sth is as good as it seems :
'I'm afraid you were quoted the wrong price.' 'I thought it was too good to be true.'
used to say that you cannot believe that sth is as good as it seems :
'I'm afraid you were quoted the wrong price.' 'I thought it was too good to be true.'
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005