near enough to hear sb/sth or to be heard :
As she came within earshot of the group, she heard her name mentioned.
near enough to hear sb/sth or to be heard :
As she came within earshot of the group, she heard her name mentioned.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005