“听不见”的英语？

马克走在前面，听不见他们的声音。Mark was out of earshot, walking ahead of them.肖恩在卧室里看电视，听不见。Shaun was in the bedroom, out of earshot, watching television.她把嗓音压低到几乎听不见。She'd lowered her voice until it was barely audible....