Mary made a lot of changes in her test paper after she finished. She should have let well enough alone, because she made several new mistakes.

玛丽做完试卷后作了很多修改。她不该弄巧成拙，反而又增加了几个新的错误。

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"I understand, though," Mr. Letterblair continued, "that she attaches no importance to the money. Therefore, as the family say, why not let well enough alone?"

“可是我知道，”莱特·布赖接下去说，“她对钱的问题并不重视。所以，就像她的家人所说的，干吗不听其自然呢？”

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