to happen without affecting sb/sth :
She feels that life is passing her by (= that she is not enjoying the opportunities and pleasures of life) .
to happen without affecting sb/sth :
She feels that life is passing her by (= that she is not enjoying the opportunities and pleasures of life) .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005