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to injure; to damage; to harm; to hurt
to kill
to hinder; to obstruct
過度な飲酒は健康を害する恐れがある。
Excessive drinking may be harmful to one's health.
騒音が近隣住民の健康を害した。
The noise harmed the health of nearby residents.
過度な飲酒が彼の体を害している。
Excessive drinking is harming his body.