Building such a bridge over the bay was a hard nut to crack but the local government made it within two years.
在海湾上建造这样一座桥是一件困难的事情，但当地政府在两年内完成了。
The problem of hunger worldwide is a hard nut to crack. I'm afraid that scientists need to put in more efforts.
全球性的饥饿问题是个棘手的问题，恐怕科学家们需要付出更多的努力。
My manager is a hard nut to crack. He always shouts at me about what I have done.
经理是个很难对付的人，他总是对我做的事大吼大叫。
Benjamin: The boss is a hard nut to crack. He always shouts at me for trivial things.
本杰明：老板是个狠角色。他经常因为一点小事儿对我大吼大叫。
A: I don't understand Mr. Chen. He never smiles or laughs. B: I know! He's a hard nut to crack.
熏a：我真不理解陈先生。他从来不笑。B：我知道。他是个难以了解的人。
I never know Bill very well. He was not very communicative and always seemed to me a hard nut to crack.
我从来就不太了解比尔，他不太爱说话，我总觉得他这个人很难对付。
Although very familiar with, but what is a hard nut to crack, I looked up and saw the clouds look thin.
虽然很熟悉，但还是说不清那是什么、我抬起头看了看那薄薄的云层。
How to evaluate the value of the software product is a hard nut to crack for software product designer and user.
如何评价软件产品的价值是困扰软件开发商和用户的一个难题。
ABSTRACT The uncertainty in Supply Chain Management is a hard nut to be cracked that can not be obviated for companies.
供应链中的不确定性是企业和组织在管理和决策中不可回避却又十分棘手的问题。
How safety, develop efficiently the petroleum resources is a hard nut to crack to put in the petroleum industry in front.
如何安全、高效地开发石油资源是摆在石油工业面前的一道难题。
Cultural difference, however, remains a hard nut in as well as the major cause of information loss in translation between languages.
文化差异是跨语言翻译中的一大难点，同时也是造成翻译过程中信息走失的主要原因。
Negative ambiguity, which is a hard nut to crack in language teaching and learning, has long been interested by language researchers.
否定歧义句是历来众多研究者所关注的一个问题，也是英语学习和教育中常遇到的一个棘手的问题。
As we all know, Our boss is a hard nut to crack, every time we want to ask for a leave, he simply says no, whatever reason you might have.
众所周知，我们的老板是个难缠的人。我们每次想请假，他都说不行，不管你有什么理由。
The project of a bank office building in a special urban environment provides a hard nut to crack but also a chance to challenge a new form.
一幢在特定都市环境中的银行大楼设计，给设计者提出了苛刻的设计条件，同时也提供了创造新形式的机遇。
Figure interpretation has long been a bottleneck affecting the quality of interpretation, and it has been a hard nut that interpreters must crack.
数字口译一直是现场口译员的“烫手山芋”，已经成为严重制约现场口译质量的“瓶颈”。
The project of an industrial center for teaching located on a special site, provides us a hard nut to crack but also a chance to challenge a new height.
一座选址于特殊地形的教育工业中心，给建筑师出了一道难题，同时也提供了挑战新高度的机会。
In English skill training for listening, speaking, reading and writing, listening takes an important position, yet it is also a hard nut to crack in English language learning.
在英语“听、说、读、写”技能训练中，听占有重要的地位，但这也是在英语学习中不易突破的一个难关。
While how to make oral English lessons effective and how to improve the student's oral communication competence has always been a hard nut to crack in the teaching of English.
如何上好口语课，如何培养学生的口头交际能力历来是英语教学上的难题。
When smelting and aluminum alloy that the founding is mutually related, a hard nut to crack that metallurgy technology is first of all encounter is adjust clean degree the rigorous demand.
熔炼和铸造相关的铝合金时，冶金工艺首先遇到的难题是对纯净度的严格要求。
The assignment and grading of open test questions in maths has been a heated topic that arouses a lot of attention and a hard nut to crack in the current curriculum research and evaluation.
初中数学开放性试题的设计和评价是当前新课程研究中的热点和难点。
On the other hand, the transient characteristics of the HVDC line fault and thus the line protections are affected by the HVDC control system, which is very complicated and still a hard nut to crush.
另一方面，线路故障后直流线路保护的暂态响应特性与控制系统强相关，而对直流系统这种特有复杂性对线路保护影响的研究较少。
The two-piece Hard Lock Nut is easy to install, requiring only the use of a wrench.
双件套强力锁紧螺母安装简便，只需要一个扳手就行。
Other great teams can comprise smooth negotiator and hard nut (Mr Nice and Mr Nasty) or a brilliant creative brain matched with a first-class commercial mind.
处事圆滑的人与刺儿头能组成好搭档（一个唱红脸，一个唱白脸），创造性人才与一流商业头脑也是良配。
The question of world hunger is a very hard nut to crack . I doubt if we'll find the answer to it in my lifetime.
世界性的饥饿问题是个极其难以解决的问题，我恐怕人们在我这一辈子都找不出解决的办法。
Give examples to say, if you want to have a chat boxing match or mathematics hard nut to crack with me, that just like in play piano the cow.
举例来说，如果你想和我聊聊拳击比赛或是数学难题，那无异于对牛弹琴。
Smooth-barked north american hickory with7to9leaflets bearing a hard-shelled edible nut.
光滑树皮的北美山胡桃树，有七到九个小叶，有带硬壳的可食用的坚果。
Smooth-barked north american hickory with7to9leaflets bearing a hard-shelled edible nut.
光滑树皮的北美山胡桃树，有七到九个小叶，有带硬壳的可食用的坚果。
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