Hope for the best, but prepare for the worst.
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A bad workman quarrels with his tools.
He worked his head off, but still couldn't finish the task.
The grass is always greener on the otherside of the fence.
翻译下列段落:Mrs. White said, "Jane's gone, and we miss her terribly. Nothing we say or do will bring her back. But Amy has her whole life ahead of her. How can she lead a full and happy life if she feels we blame her for her sister's death?"