Like the Tehran experience, the shredding may be all for naught.

如同德黑兰事件中的情况一样, 切碎文件可能是徒劳的.

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Now I wondered if it was all for naught.

现在我则怀疑所有这些是否白搭.

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Thank goodness my fears were all for naught.

谢天谢地,我的担心都是多余的.

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It was all for naught.

所有努力都是徒劳.

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Their work went all for naught.

他的工作全部白干了.

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