hearing difficulty

• 耳聋

hearing difficulty的用法和样例：

例句

1. A child who has no sense of hearing must be taught asign language.
   耳聋的小孩必须接受哑语训练。
2. Grandpa told us that he was old and had become hard of hearing and poor in vision.
   爷爷常说自己年纪大了，耳聋眼花。