无用功是什么意思_无用功用英语怎么说_无用功的翻译_无用功翻译成_无用功的中文意思_无用功怎么读,无用功的读音,无用功的用法,无用功的例句

"Getting nowhere fast," pronounced Crosby, "that's what we're doing."

克罗斯比断言说：“我们一无所获，在做无用功。”

柯林斯例句

Does that mean all I have done in these days is useless?

也就是说,我这几天做得都是无用功了?

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Since you are not on the right track, everything you have done is futile.

由于思路不对, 所以你们做的都是无用功.

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