reprobates
n.
道德败坏的人，恶棍( reprobate的名词复数 );
例句:
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Since then my annoyance with these reprobates has only grown prompting a follow-up story.
来自WSJ
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If earlier the night had belonged to reprobates, now respectable people became accustomed to exploiting the hours of darkness.
来自BBC
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However, others say that the clans were just gangs who deliberately cultivated a lifestyle of reprobates.
来自BBC