名词短语
中文翻译：邮差敲门
同义词：
['letter-drop', "postal visit例句：1. The postman's knock woke me up at 5:30 in the morning.（邮差的敲门声在早上5点半把我叫醒了。）"]
例句：
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1. The postman's knock woke me up at 5:30 in the morning.
邮差的敲门声在早上5点半把我叫醒了。
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2.The postman's knock was so loud that it woke my neighbor.
邮差的敲门声太大了，吵醒了我的邻居。
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3.I was surprised when the postman's knock came at 8:00 pm.
邮差在晚上8点敲我家门时，我感到很惊讶。