too far away to hear sb/sth or to be heard :
We waited until Ted was safely out of earshot before discussing it.
too far away to hear sb/sth or to be heard :
We waited until Ted was safely out of earshot before discussing it.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005