我的气力没有白费。

My efforts were not in vain.

《新英汉大辞典》

他哭不得笑不得，一年的气力白费了。

He was at his wits' end, having worked a year for nothing.

《新英汉大辞典》

没有这古老的普遍真理，任何小说都只能昙花一观，不会成功；这些真理就是爱、荣誉、怜悯、自尊、同情与牺牲等感惰。若是他做不到这样，他的气力终归白费。

The old universal truths, lacking which any story is ephemeral and doomed: love and honor and pity and pride, and compassion and sacrifice.

youdao

如果我们要学一门新的语言，我们就该弄清楚我们的记忆是如何起作用的。这样，我们才不会浪费时间，也不会白费气力。

If we are going to learn a new language we should be aware of how our memory works so we don't waste time and effort.

youdao

如果我们要学一门新的语言，我们就该弄清楚我们的记忆是如何起作用的。这样，我们才不会浪费时间，也不会白费气力。

If we are going to learn a new language we should be aware of how our memory works so we don't waste time and effort.

youdao