Food gained by fraud tastes sweet to a man, but he ends up with a mouth full of gravel.

以虚谎而得的食物，人觉甘甜，但后来他的口必充满尘沙。

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A big no-no at formal dinner is talking while eating. Make sure that you finish the food in your mouth before communicating with others.

在正式的餐会上的一大禁忌就是边吃边说，你在和别人交谈之间一定要先把嘴里的食物咽下去。

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Takes a big bite, and chews his food with his mouth open

咬了一大口，张着大嘴咀嚼着。

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Most bizarre was the smart spoon, which is designed to encourage you to eat more slowly - if you spoon food into your mouth rapidly the spoon handle throbs with a warning signal.

BBC: CES: The selling starts