the state of becoming worse or more serious; exacerbation
恶化,加剧,严峻
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the patient experienced an aggravation of symptoms .病人病情恶化。
〈非正式〉恼怒,气恼
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the whole business has caused me a lot of aggravation .整件事让我非常恼火。
aggressive behaviour; harassment
攻击(或挑衅)行为;骚扰。