Question

impair 【impair】v.损害Poor food and hard work impaired her health and sth became thin.不好的食物和辛苦的工作损害她的健康，使她变瘦了。

Accepted Answer

[ɪm'per] 
impairmake worse or less effective
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.
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.”
All forms of 'impair' will appear on average once every 756 pages.impairimpairedimpairerimpairmentunimpaired

Front	impair
Pron	[ɪm'per]
Back	【impair】 v.损害 Poor food and hard work impaired her health and sth became thin. 不好的食物和辛苦的工作损害她的健康，使她变瘦了。
Vocab	impairmake worse or less effective 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. 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.” All forms of 'impair' will appear on average once every 756 pages. impair impaired impairer impairment unimpaired

Impair Make Work Word ɪm'per V.损害 Poor Food