unachievable

adj.

1. 难以达到的；无法获得的
   that you cannot manage to reach or obtain
   1. unachievable goals
      难以实现的目标

1. While perfect security is unachievable here, there are techniques that can limit how much damage each application can do.
   虽然完美的安全性是不可能达到的，但是有一些技术可以限制每个应用程序的危害程度。
2. You dream and then follow it up with a list of all the reasons why the dream is unachievable.
   你追求自己的梦，跟着出现一大堆告诉你这梦不可能实现的理由。
3. You may be dealing with a modern day Napoleon in the office if your manager demands the unachievable from her subordinates.
   如果你的经理强求她的下属完成不可能任务，那你可能就是遭遇了现代办公室拿破仑。
4. Some competitor or other had achieved an inspiring degree of success and I was complaining to a mentor about how unachievable it seemed to me.
   当看到一些竞争对手或其他人取得了令人欢欣鼓舞的成功时，我就向导师抱怨在我看来是如何无法实现的。
5. In rejoining the alliance Scotland would need to commit to spending 2% of its gross domestic product on defense spending, which given the uncertain economic outcome of an independence vote appears unachievable.
   要重新加入北约，苏格兰至少要花费国内生产总值的2%用于国防开销，这对于独立后未知的经济情况而言显然无法达到。
6. Inner peace may seem like a mythical peak. Almost unachievable, far away, maybe even unreal for many.
   内心的平和好像神话中的巅峰之境，几乎难以企及，对很多人来说可能子虚乌有。
7. For example, regulatory harmonisation looks unachievable far better to aim for mutual recognition.
   例如，各国监管的协调一致看上去难以实现那还不如以相互承认为目标。
8. This goal, however, looks increasingly distant and unachievable in today's taiwan.
   但这在现阶段的台湾似乎已经成了一个日渐遥远、甚至遥不可及的奢望。
9. Aim high, since with the unexpected breaking down barriers, once unachievable goals are now within your grasp.
   制定远大的目标，因为随着意外消解的障碍，曾经被认为是不可实现的目标将在你的掌握之中。
10. Focus on providing an engaging goal to motivate people to achieve it because they want to rather than a made up unachievable deadline.
    提供一个有吸引力的目标，这可以激励人们达成它，而不是编造一个无法实现的截止日期。
11. A recovery in2009 is unachievable in the current economic climate, according to sector leaders.
    根据该行业领导厂商的看法，在目前的经济大环境下2009年还是无法实现复苏。
12. Cheap, pesticide-free food is probably an unachievable objective.
    也许，永远不会有便宜而未使用过农药的食物。
13. They describe the IPCC's assumption that the majority of future emission reductions will occur spontaneously, in the absence of climate policies, as "optimistic at best and unachievable at worst".
    这批作者们描述了IPCC假设在缺乏气候政策的情况下，将来的减排大部分将自然而然地发生，这种设想从最好的情形讲过于乐观，从最坏的情形来讲则无法实现。
14. This article was widely criticized by traditional instructors, as being far too optimistic and unachievable.
    这篇文章被广泛批评为是传统的教师，太过乐观，无法实现。
15. Should the persons who have expressed their disagreement with the mediation proposal within the specified time period constitute more than one-half of the total number of individuals in their party, the mediation shall be regarded as unachievable.
    但为不同意表示当事人之人数超过该造全体当事人人数之半数时，视为调处不成立。
16. As the key approach of enterprise external development, the update concept of Capital Management is providing us a new mode of economic development, which is unachievable and inconceivable under the traditional theory.
    近年来产生的资本经营这一理念，为我们提供了一种在传统思维下根本无法实现的、新的经济增长方式，是企业走外部成长道路的主要途径。
17. Chapter Four makes an intensive study to his "reading the rainbow and recording" and the unachievable life ideal placed in such experimental novels.
    第四章节以《看虹录》的文本细读为主，解读了此类实验小说中寄托的生命理想及难以为继；
18. Simulation result shows that the model can give higher accuracy, which is generally unachievable for time series model and multiple regression models.
    预测结果显示，集成后的模型能够取得较高的数值预报命中率，而且预测误差较小，这是一般时间序列和多元回归方法无法达到的。
19. There are many causes leading to them. Broadcasting industry entering the declining phase, its paradox double identity, and its localization cause the unachievable national broadcasting network, the incomplete legal system, and the negative influence brought by collectivization.
    而其原因是多方面的，广播行业步入了衰退期、广播业矛盾的双重身份、广播传媒的属地性造成全国广播网难以形成、法制不健全和集团化带来的消极影响等。
20. However, installing two or more aerials in the mobile terminal is very difficult, which leads to MIMO technology is unachievable in the Ad-hoc networks and the cellular networks.
    但对小型移动终端来说，安装多根天线是不现实的，这就导致MIMO技术在蜂窝网以及Ad-hoc等网络中难以实用化。
21. However, this leapfrog development is neither unconstrained imagination, nor a miracle unachievable.
    但是超常规发展既不是天马行空的想象，也不是海市蜃楼的遥不可及。

adj

1. impossible to achieve
   1. an unattainable goal

   Synonym:    unattainableundoableunrealizable