Over half of all children in Britain get glue ear at some time before they are 16, and it can lead to permanent hearing loss.超过一半的英国儿童在十六岁之前得过浆液性中耳炎，而这可能导致永久性的失聪。He suffered hearing loss following an illness.他得了一场病后就丧失了听觉。Industrial workers commonly suffer hearing loss.产业工人通常会听力受损。Gradual hearing loss often goes unnoticed until substantial damage is done.渐进性听力丧失往往是在不知不觉中发生的，直到听力严重受损才会察觉。