the state of having a physical or mental condition that means that part of your body or brain does not work correctly; a particular condition of this sort (身体或智力方面的)缺陷,障碍,损伤;某种缺陷 impairment of the functions of the kidney 肾功能障碍 visual impairments 视力受损
Oxford Collocations DictionaryImpairment is used after these nouns:- hearing
- speech