VERB
损害;妨碍;削弱
If something impairs something such as an ability or the way something works, it damages it or makes it worse.
例句
Consumption of alcohol impairs your ability to drive a car or operate machinery...
饮酒会削弱你驾驶汽车或操控机器的能力。
His movements were painfully impaired by arthritis.
他行动不便，深受关节炎之苦。