名词
中文翻译：脏老头
同义词：
['unwashed', 'uncouth', 'unsightly', 'unclean']
例句：
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1. He was a dirty old man who lived alone in the attic.
他是个住在阁楼里孤独的脏老头。
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2.The old man was dirty and smelled bad, which made everyone avoid him.
老人很脏，闻起来很臭，所以大家都避开他。
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3. The dirty old man had been living in the same house for decades.
那个脏老头已经在这个房子里住了几十年了。