#报刊英语# #外刊英语阅读#
在China Daily的5月14日的一篇有关科技兴农的文章中,有这么一句话:Managing and utilizing the land has always been a hard nut to crack for agricultural technicians, as it is a potential resource for safeguarding the country's food security. 句中的“crack a hard nut”就表示“啃硬骨头;解决难题”。