It's all to no purpose; I tell you that you are plowing the sand.

这是徒劳无益的; 告诉你,你在枉费心机.

辞典例句

I have tried hard for her, but all to no purpose.

我已为她尽了力, 可毫无结果.

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He to find out the cause, but all to no purpose.

他试图找出原因, 但是全无结果.

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It's all to no purpose. I tell you that you are ploughing the sand.

这都是毫无作用的. 告诉你,你是在白费力气.

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