He likewise gave up the fruitless task of teaching grammar to his unwilling pupil, and read Sakuntala with me instead.

他也同样放弃了那毫无结果的、对他的不情愿的孩子们教授文法的做法，而代之以和我一道读《沙恭达罗》。

youdao

This isn't a completely fruitless task: much recent research suggests that will power is, in some ways, like a muscle and can be made stronger.

这不是一项完全没有成效的任务：很多最近的研究显示，在某些方面，意志力像肌肉一样，可以被训练得更强。

youdao

Many people give up when they think they're not good at a particular job or task, assuming the exertion is fruitless.

许多人当认为他们并不擅长某个工作或任务时就会放弃，他们假定努力后也不会成功。

youdao

To free up those assets, Clark said the United States should end its "fruitless" hunt for weapons of mass destruction in Iraq and turn the task over to the international community.

CNN: Clark: Bush lacks will to find bin Laden