一旦发生这种情况，你就很难恢复听力。

Once this happens, it's hard to get your hearing back.

youdao

他经过针刺恢复了听力。

He regained his listening after receiving acupuncture treatment.

《新英汉大辞典》

干细胞(也就是可分化为胚胎来源、可分化为多种细胞的细胞)疗法，可能恢复正常的听力。

Therapies using stem cells, or cells derived from embryos that can turn into myriad cell types, can potentially restore normal hearing.

youdao