求翻译：进餐时，始终保持沉默是不礼貌的，应该同身旁的人有所交谈。但是在咀嚼食物时不要讲话。即使有人同你讲话，也应咽下口中食物后再回答。谈话时可以不放下刀叉，但不可拿着刀叉在空中摇晃。是什么意思？

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When dining, and always keep silence is not polite, and it should be with him to chat. However, when chewing do not speak. Even if it was with your speech, and should also be the mouth and food, and then answer. Conversation can not lower knife and fork, but it is not holding a knife and fork in the

When dines, maintains the silence not politeness throughout, should have the conversation with the one's side person.But when mastication food do not have to speak.Even if some people speak with you, after also should swallow in the end opening food to reply again.When conversation may not lay down

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正在翻译，请等待...