Many of us carry devices around which can cause hearing difficulty if you play them too loud.

我们许多人平时戴着的装置如果播放音量太大，可能会造成听力障碍。

Wanzer said one teacher wore such a mask while working with a student who has hearing difficulties.

万泽说，一位老师在教授一名听力有困难的学生时，戴着这样的口罩。

Teaching is especially difficult for those who work with students with hearing difficulties or students who do not speak English as their first language.

对于那些教授听力有困难的学生或不以英语作为第一语言学生的人来说，教学尤其困难。

Wanzer said one teacher wore such a mask while working with a student who has hearing difficulties. The student said the mask was unnecessary.

万泽说，一位老师在和听力有困难的学生一起工作时，戴着这样的口罩。学生说，没必要戴这个口罩。

Sometimes we use the term, nowadays, " hearing impaired" to describe people who either have a difficulty hearing or can't hear at all.

现在，有时我们使用“听力受损”一词来描述听力有困难或根本听不见的人。