all for naught

基本解释

Tell me that it wasn't all for naught.
告诉我那一切都没有意义。
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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。
But it is all for naught if you do nothave a deep, heartfelt belief in your topic.
但是如果您对自己的话题没有深刻的、发自内心深处的自信，那么一切将化为乌有。

In the end, though, it was all for naught.
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