We have all heard of blind people with unusually acute hearing, but other senses may be heightened, too.

我们都听说过盲人有着不同寻常的灵敏听觉，然而其他感官能力也会加强。

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While we're used to hearing about dogs learning to help the blind or search out injured people, Oscar's case is more puzzling.

当人们只习惯于听说狗儿们能够学着帮助盲人或是寻找伤病员的故事，奥斯卡的事迹就显得更加的扑朔迷离了。

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Only the deaf appreciate hearing, only the blind realize the manifold blessings that lie in sight.

只有聋子才羾珍惜听力，只有盲人才能认识到能见光明的幸运。

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Those surviving are often left brain damaged, blind or with hearing loss.

VOA: special.2010.04.20

However, owners of guide dogs for the blind and hearing dogs for the deaf will also be able to bring their animals in from New Zealand and Australia.

BBC: Pet 'passports' brought forward

The gospels are replete with stories of Jesus healing the sick, raising the dead, making the lame walk, restoring sight to the blind and hearing to the deaf.

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He told BBC News the 92-year old was "almost completely blind and hard of hearing" but still loved "a good joke and a glass of wine".

BBC: Clive Dunn, Dad's Army actor, dies aged 92