However difficult a problem it is, we should try to solve it.
无论这是多难的问题，我们都应该努力解决它。
How difficult a problem he worked out!
他算出了多难的一道题啊！
However difficult a problem may be, we must solve it.
无论是多么困难的问题，我们都一定要将它解决。
It is too difficult a job for me to finish in so short a time.
在如此短的时间内完成工作对我来说太难了。
This is too difficult a problem.
这是一个非常困难的问题。
It's too difficult a task for me.
这项任务对我来说太困难。
这是一项太难的任务。
This is too difficult a text to me.
这篇课文对我来说太难了。
It's too difficult a problem for him.
对他来说，这是一个太难的问题。
This is too difficult a text for them.
这篇课文对他们来说太难了。
It 's too difficult a problem for him.
对他来说，这是一个太难的问题。
This is too difficult a problem for me.
对我来说这是一个太难的问题。
This is too difficult a problem for him.
这个问题对他来说太难了。
It is too difficult a book for beginners.
那本书供初学者看太难了。
It's too difficult a book for us beginners.
对我们初学者来说，这本书太难了。
German is as difficult a language as English.
德语和英语一样也是一门难的语言。
It is too difficult a book for us beginners.
这本书对我们初学者来说太难了。
French is as difficult a language as English.
法语跟英语一样难学。
Russian is as difficult a language as English.
俄语同英语一样难学。
It's too difficult a question for me to answer.
这个问题太难，我答复不了。
This is too difficult a problem for me to solve.
这对我来说是一个太难解决的问题。
This is too difficult a question for him to answer.
这个问题对他来说太难回答了。
Here is so difficult a problem as none of us can solve.
这是一个我们都不能解决的难题。
This is too difficult a problem for the beginners to solve.
这个问题对于初学者来说太难解决了。
It's so difficult a question that none of us can answer it.
那是一个很难的问题，我们没有一个人能回答。
It's so difficult a problem that none of us can work it out.
这个问题太难了以致于没有人能够做得出来。
It 's so difficult a question that none of us can answer it.
那是一个很难的问题，我们没有一个人能回答。
It is too difficult a task for us to finish in a short time.
对我们而言，这任务太难，短时间内无法完成。
It is too difficult a task for us to finish in a short time.
对我们而言，这任务太难，短时间内无法完成。
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