to insult someone by not giving them any attention or treating them as if they are not important:
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Neglecting and ignoring
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to treat someone rudely, esp. by ignoring that person:
英语词典包含110679条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。