以其人之道还治其人之身
One day a lady saw a mouse running across her kitchen floor. She was very afraid of mouse, so she ran out of the house, got into a bus and went to the shops. There she bought a mousetrap（捕鼠器） . The shopkeeper said to her, "Put some cheese in it and you will soon catch that mouse."
The lady went home with her mousetrap, but when she looked in her cupboard, she could not find any cheese in it. She did not want to go back to the shop, because it was very late, so she cut a picture of some cheese out of a magazine and put that in the trap.
Surprisingly, the picture of the cheese was quite successful! When the lady came down to the kitchen the next morning she found a picture of a mouse in the trap beside the picture of the cheese!
有一天某位女士看到一只老鼠在自家的厨房地板上窜过。她很害怕老鼠，所以她冲出屋子，搭上了公共汽车直奔商店。在那儿，她买了一只老鼠夹。店主告诉她："放点奶酪在里面，很快你就会逮住那只老鼠的。"
这位女士带着鼠夹回到家里，但她没有在碗橱里找到奶酪。她不想再回到商店里去，因为已经很晚了。于是，她就从一份杂志中剪下一幅奶酪的图片放进了夹子。
令人称奇的是，这画有奶酪的图片竟然奏效了!第二天早上，这位女士下楼到厨房时，发现鼠夹里奶酪图片旁有一张画有老鼠的图片。
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