他失去听觉
He lost his hearing.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
然而，原来他早于童年时已开始逐渐失去听觉，到少年时经已半聋。
Yet, this was a man who developed hearing loss in childhood and became partially deaf in his early teens.
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