不确定

But his future is yet to be tied up.

未来还不确定。

Second, consumers can be uncertain about their own usage of minutes and learn about it after observing their actual consumption.

第二，消费者会不确定他们自己的使用时间，并在通过观察实际消费量后了解。

In this case, you should contact a doctor immediately or if you need expert advices go to kidneystoneforum.com, this is dedicated to kidneystones and it will be helpful if you are uncertain about any development.

在这种情况下，您应该与医生立即或者，如果您需要专家的建议去kidneystoneforum.com ，这是专门kidneystones这将是有益的，如果您不确定有关的任何发展。

For example, a company may be able to estimate accurately the aggregate number of shoes it will sell, but it may be uncertain about which specific types of shoes will sell more than other types.

例如，一家公司可以准确估计将出售的总的鞋数，但它不确定哪种特定类型的鞋会比其他类型的些鞋更好卖。

Be uncertain of/about

对。。。不确定

With a strong feel for divergent generations,"Lost" understands without having to say it that people at widely different ages can be equally uncertain about who they're supposed to be, equally impelled to question where they want to land when they grow up.

不同年龄的人，对于他们应该怎样，都会有同样的不确定，同样的不停问自己应该在什么地方着陆，什么时候长大。。。

As the telescope started to send back images, Beckwith couldn't be sure they would reveal anything new.

在望远镜开始传送回图像时，Beckwith 不确定他们能发现任何新东西。

Fred:I want to speak to Brian Bedford, but I'm not sure of his extension.

佛烈德：我要找布莱恩班佛特，但我不确定他的分机号码。

Now America's commercial export control agency, the Bureau of Industry and Security, has proposed dramatic new export restrictions that alarm US industry, concern our trading allies and befuddle the Chinese by failing to address the stated threat and leaving significant uncertainties in their wake.

现在，美国的商业出口管理部门——商务部工业与安全局(Bureau of Industry and Security)，提议了全新的出口限制规定。这些规定并未应对所谓的威胁，而且留下大量不确定因素，因而让美国业界感到震惊，我们的贸易盟国感到忧虑，中国人感到迷惑。

When Henry decides to behead a young woman , it's so obviously a bad thing to do that it's satisfying to the reader," Gregory says."To judge it gives us comfort and certainty in an uncertain world.

当亨利决定砍了他第五个妻子的头时，要判断出他的对错是一件很容易的事情，"葛里高利说："在这个一切都不确定的现在，这种简单的判断给人们带来舒服的踏实感觉。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。