My boss a hard nut to crack.
我得老板是个很难对付得人。
Im afraid its a hard nut to crack.
恐怕那个件棘手之事。
The edible nut of a hazel, having a hard, smooth brown shell.
榛子榛木的果实, 壳坚硬, 光滑, 呈褐色且可食用
Therefore, to bulwark suicide bombing is a hard nut to crack.
因此，防范自杀性爆炸是一项难以攻克的事情。
But I don't like her boyfriend, Jack. He's a hard nut to crack.
但是我不喜欢她的男朋友, 杰克。他是个难对付的人。
The difficult terrain of the Pennines will be a hard nut to crack.
奔宁山脉地形崎岖, 在那里行走是十分艰难的。
He is not only ignorant but also arrogant, which makes him a hard nut to crack.
他固陋且傲慢，真是令人生厌。
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。
Confirming acoustic porosity accurately is a hard nut in well logging interpretation.
精确确定储层得声波孔隙度是测井解释中得一个难题。
The readers continuously atrophy to have become to perplex the report a great hard nut to crack of the industry.
读者群不断萎缩已成为困扰报业的一大难题。
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