短语
中文翻译：白费力气
同义词：
['spend effort on', 'waste effort on']
例句：
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1. I've tried to go for something meaningful all my life, but it just goes for nothing.
我一生都在尝试做些有意义的事情，但都徒劳无功。
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2. The project was a complete waste of time and effort.
这个项目完全是浪费时间和努力。
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3. He spent his entire life trying to make a difference, but he went for nothing.
他一生都在试图做出改变，但最终徒劳无功。