someone who regularly or habitually abuses someone or something, in particular
(经常或习惯性的)虐待者;滥用者,尤指:
someone who makes excessive use of alcohol or illegal drugs
酗酒者;嗜毒者
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intravenous drug abusers .进行静脉注射的瘾君子。
someone who sexually assaults another person, especially a woman or child
(尤指对妇女或儿童的)性侵犯者
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an alleged child abuser .涉嫌猥亵儿童者。