They will be a hard nut to crack for even the brains of the most erudite people.
他们将是一个很难啃的骨头,即使大脑中最博学的人。
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The spy we captured is a hard nut; he hasn't said a thing since we began the interrogation.
例句:我们抓到的那个间谍是个硬骨头,自从我们开始审讯以来,他一句话也没说。
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Speaking English very well is a hard nut to crack to most Chinese people.
对许多中国人来讲,把英语说好是件很难的事情。
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Quantitative prediction of faults in the geological work has been a hard nut to crack.
断裂构造的定量预测一直是地质工作中的一个难点。
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However, the translation of irony is considered as a hard nut to crack.
尽管如此,言语反讽的翻译却一直是个较难解决的问题。
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In usual social economy practice, people will usually meet the assorted hard nut to crack.
在日常的社会经济实践中,人们常常会遇到各式各样的疑虑。
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长期以来,称谓语教学一直是对外汉语教学中的难点,而对此进行的研究却略显薄弱。
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