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to injure; to damage; to harm; to hurt
to kill
to hinder; to obstruct
不法投棄が環境を害した。
Illegal dumping harmed the environment.
彼は過労で健康を害してしまった。
He ended up harming his health due to overwork.
その情報漏洩は会社の信用を害する。
That information leak will damage the company's credibility.