但是，世界卫生组织说它从未对这一课题进行过研究。

But WHO said it has never conducted research on the topic.

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他们对这道题进行了彻底的分析以后，才发现它是错的。

The question was analysed root and branch and they found it is wrong.

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对我们来说，解出这道题是很难的。

It is difficult for us to work out the problem.

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为此，我们决定对这一课题进行调查。

To this end, we decided on this topic of investigation.

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对这道题进行了分析以后，才发现这道题是错的。

The question was analysed and they found it is wrong.

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多年以来我一直努力对这一课题持续进行研究。

That's been a theme that I've tried to continue throughout the years.

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这道数学题对一个初中生来说太难了。

This maths problem is too much for a junior school student.

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第四题，对还是错？

Number four, true or false?

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算出那道数学题对我来说太难了。

It is difficult for me to work out the math problem.

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假如你加上了“小的”这题就不算对。

I didn't count it as a mistake if you put "small".

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因此，研究这一课题对确立正确的哲学观具有极其重要的意义。

So studying the issue is very important to establishing the right philosophy outlook.

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“哪怕是一年级小学生都能算对这道(数学)题，”他说道。

"Even a first grader can answer this [the maths test]," he said.

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由此也凸显了对历年真题分析的重要意义。

But it has its strong point, too, he says.

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但是我回答不出其余的问题，这些题对我来说太难了。

But I couldn't answer the rest. They were too difficult for me.

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对的回答这个题是非常困难的。

Some of these questions are so difficult that we can't answer them.

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在我看来，这道数学题对她来说太简单。

It seems to me that the maths problem is too easy for her.

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第4题。请问您是否认为学习汉语对您的工作有帮助？

Do you think learning Chinese is helpful in your work?

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第4题。请问您是否认为学习汉语对您的工作有帮助？

Do you think learning Chinese is helpful in your work?

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