Millie asks Andy to fix her broken bicycle, however, he is uncertain about it.
米莉请安迪修理她那辆坏了的自行车，然而，他对此并不确定。
However, the pace and timing of the recovery is still highly uncertain.
然而，复苏的速度和时间仍然是十分不确定的。
However, the direction the project will take is uncertain and who knows what Larry Ellison is planning?
然而，该项目的方向将是不确定的，谁知道还会不会有什么拉里·埃里森计划？
However, therewards and individual honor for those who complete the course will take themto new heights. For those that give up, their future is uncertain.
对于完成课程人员获得的荣誉将使他们达到一个新的高度，如未能完成，他们的未来也充满了不确定因素。
However, difficulties and challenges do not mean a bleak or uncertain future. Enhanced strength does not mean unpredictability or a threat.
面临困难和挑战不等于前景暗淡和不确定，实力壮大不意味着对外威胁和不可靠。
With the Lib Dems to please, however, it is uncertain whether David Cameron, the prime minister, will ultimately decide to keep the orders.
然而，现在还无法确定戴维•卡梅伦首相是否决定继续执行这些管制令来，因为他还得讨好自民党。
The outlook, however, is "as uncertain as the outlook for global growth, oil and other commodity prices, and currency exchange rates," notes the brief.
然而，前景“就像全球增长、石油和其它食品价格、以及货币汇率那样不确定，”《简介》说。
However, experts are uncertain as to what constitutes an infective dose when it comes to influenza viruses.
然而，专家们也不能确定多少流感病毒能让人感染。
However, it is uncertain to what extent these schemes would interact with each other or with initiatives in other parts of the world.
不过，这些计划相互之间、以及与其它国家举措之间能互动到何种程度尚属未知。
The future of schools like this one, however, is uncertain.
然而现在，这些学校却前景难料。
The sale of the Pirate Bay to GGF, however, will remain uncertain, even if the site comes back online.
即便海盗湾可以恢复访问，它和GGF的交易仍然充满变数。
However, she often feels uncertain about her future and the sense of anxiety got increasingly stronger as she approached 30.
然而，随着年龄不断接近30岁，她经常对未来感到不确定，焦虑的感觉越来越强烈。
However, this picture has become more uncertain.
然而，这里的画面变得更加不确定。
However, in a policy of the effect is uncertain, the majority of owner-occupier is reasonable to think that the choice of a wait-and-see attitude.
然而在政策所起到的效应并不明朗的情况下，大多数的自住者选择观望的态度也是在情理之中的。
The Council, however, felt Anakin's future seemed clouded and uncertain, and deemed the boy too old to begin training and dangerously full of fear and anger.
可是，委员会觉得阿纳金的未来似乎充满阴影、难以确定，还认为这孩子年纪太大，不能开始训练，且他心中充满恐惧和愤怒，非常危险。
However, it is uncertain whether or not the breed existed in the area even earlier.
不过，这是未知数或不存在的品种在该地区，甚至更早。
However, as well known, there are many issues in databases, such as redundant data, missing data, uncertain data, inconsistent data, and so on, they are the barriers to knowledge discovery.
然而，众所周知，数据库中往往存在冗余数据、缺失数据、不确定数据和不一致数据等诸多情况，这些数据成了发现知识的一大障碍。
However, optimal viral vector delivery into the brain is challenging and brain distribution of viral vectors is uncertain.
然而，最佳的导入入脑的病毒载体仍需探索，病毒载体的脑内分布也不确定。
However, in recent years, uncertain multi-attribute decision making attracts more and more attention.
近年来，不确定多属性决策引起了学术界的广泛关注。
However, if you're uncertain or uninterested, it's better to sit things out and relax at home than to follow an unreliable person into a sketchy situation.
无论如何，如果你不确定或者毫无兴趣，你最好远离那些事或者在家休息，这要不跟随一个不可靠的人进入一个毫不清楚的状况要好！
However, the nature of the relationship between pulmonary scarring and lung cancer remains uncertain.
然而，肺部疤痕与肺癌之间关联的本质目前仍无法确定。
However, the optimal timing of such intervention remains uncertain.
然而，介入治疗的最佳时机仍未能确定。
However, adolescence is a period of intense physiological change, and therefore stability of the underlying metabolic structure and clinical categorization based on metabolic risk is uncertain.
然而，青少年时期其生理状况会出现显著的改变，因此，潜在的代谢构成的稳定性和基于代谢风险因子的临床确诊也是不肯定的。
However, a specific global parameterization is time consuming, and the result is still uncertain in some extend.
但是对几何体进行全局参数化是一项耗费巨大的工作，而参数化后的结果仍然带有一定的不确定性。
However, mankinds often devote all the power and energy for the uncertain tomorrow, sacrificing every present as measures.
可是，世人往往为不可靠的明天复明天付出全部心力，却把一个个今天都当作手段牺牲掉了。
The scene at the moment mixed with that in the past becomes uncertain and unoriented. However, we can't help to think about the question that whether the history can be washed away so easily?
眼前的景物混合着过往的沉积，变得毫无方向与不确定，但是我们不禁要思考：历史的沧桑是否就能这样被轻易地揉掉呢？
They caution, however, against recommending aspirin for subjects aged over 75 years, because the risk of bleeding is uncertain in the very elderly.
他们还指出，由于在高龄人群中出血风险未明，故不推荐75岁以上人群预防应用。
They caution, however, against recommending aspirin for subjects aged over 75 years, because the risk of bleeding is uncertain in the very elderly.
他们还指出，由于在高龄人群中出血风险未明，故不推荐75岁以上人群预防应用。
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