名词
中文翻译：前科
同义词：
['criminal record', 'past conviction']
例句：
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1.He was previously convicted of murder.
他曾被定谋杀罪。
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2.The judge reviewed the previous convictions of the defendant.
法官审查了被告的前科记录。
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3.Previous convictions can have a significant impact on someone's future prospects.
前科对某人的未来前景有重大影响。