the quality of being unable to hear, either completely or partly

She was finally diagnosed with profound deafness at 19 months. 她在第19个月时终于被诊断为全聋。

Such tumours occur in one of the nerves in the brain and can lead to deafness in one ear. 这样的肿瘤长在脑部神经上，可能导致一只耳朵发生听觉障碍。

an unwillingness to listen, or a lack of understanding about something

There has been a deliberate deafness to women's complaints of harassment. 对女性关于骚扰的投诉充耳不闻。

What struck me about the list was its deafness to fashion. 让我对这张清单吃惊的是它对时尚的忽略。