Question

impair v.削弱；妨碍 The root of the verb impair traces back to the Latin word pejorare, meaning “to make worse,” and that’s still what happens if you impair something. Whether it’s communication, visibility, or your marriage prospects, if you impair it, you make it worse. The word can be used for situations that describe something that has deteriorated, such as “Snow continued to impair driving conditions.” 1[VERB 动词]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.   [V n]  [FORMAL 正式]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。impairedThe blast left him with permanently impaired hearing.爆炸造成他的听力永久性损伤。

Accepted Answer

[im'peə(r)] If you make bad decisions in the morning after drinking coffee, you might conclude that caffeine tends to impair your judgment. When you impair something, you damage it or make it work poorly. ★☆☆☆☆ 2011.0

英语单词	impair
英美音标	[im'peə(r)]
中文释义	v.削弱；妨碍
vocab简明	If you make bad decisions in the morning after drinking coffee, you might conclude that caffeine tends to impair your judgment. When you impair something, you damage it or make it work poorly.
vocab扩展	The root of the verb impair traces back to the Latin word pejorare, meaning “to make worse,” and that’s still what happens if you impair something. Whether it’s communication, visibility, or your marriage prospects, if you impair it, you make it worse. The word can be used for situations that describe something that has deteriorated, such as “Snow continued to impair driving conditions.”
柯林斯星级	★☆☆☆☆
柯林斯解释	1 [VERB 动词]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. [V n] [FORMAL 正式] 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。 impaired The blast left him with permanently impaired hearing. 爆炸造成他的听力永久性损伤。
来源	2011.0

Impair Make Word Worse Ability Ed Im'peə(R V.削弱；妨碍