Now, even though it may be difficult to understand how a huge mass of ice can move—or flow, it's another word for it—it's really no secret that glaciers flow because of gravity.
如今，即使想要知道一大块冰如何移动——或换个词讲，漂浮——是非常困难的，但众所周知冰川漂浮是由于重力。
Considering your responsibilities, it may be difficult to add another commitment to your schedule.
考虑到你的各项责任，在你的时间表上增加另一项委托可能有难度。
But it may be difficult to retrain these workers.
但将这些工人重新培训也很难。
In severe cases it may be difficult to distinguish a sprain from a fracture.
在严重的情况下，可能难以区分扭伤，从骨折。
It may be difficult initially, but you'll be gaining that much extra time in your day.
开始可能有困难，但你可以在一天里得到这么多额外的时间。
As smaller cogs in larger machines it may be difficult to tell what we're contributing.
就像大型机器里很小的钝齿一样，很难说我们都贡献了什么。
Even though it may be difficult, during a fall try to relax your body rather than stiffen.
即使这有些困难，在跳下来的瞬间要尽量使身体放松，不僵硬。
With Japan's reactors still unstable, it may be difficult to be rational about nuclear energy.
日本的反应堆还没有稳定，对核电很难理性地去评判。
At the moment, it may be difficult to imagine we will live on the planet Mars by the year 2100.
现在也许很难想象，到了2100年，我们将住在火星上。
It may be difficult for some, but it doesn't hurt to try to see if this is a role that suits you.
可能对有些人是困难的，但尝试一个角色是否适合自己也不会给你带来什么伤害。
When love is gone, it may be difficult to let it go, especially for such an impressive and sacrificing love.
当爱已不再，学会放手，也许很难，特别是这样一段刻骨铭心、血脉交融，曾经让人不计代价地付出过的爱情。
In such situations, it may be difficult to stay positive. We may be inclined to react negatively to them.
在这种情况下，我们很难保持积极，而不由自主地对对方作出消极反应。
It may be difficult to accept at first, but it will ultimately make funerals more personal and meaningful.
也许起初难以接受，但最终他们可以让葬礼变得更具个性，也更有意义。
Senior health officials admit that it may be difficult to police the ban. The operation can be performed in 15 minutes.
但有关官员坦言，该规定的执行可能非常困难，因“人妖”手术15分钟就能完成，私人诊所容易秘密进行。
It may be difficult, but in troubled times, researchers say, people need to take comfort from life's simplest pleasures.
研究者们说，尽管做起来很难，但是在多事之秋，人们需要从生活的最简单的快乐中获取安慰。
It may be difficult, but in troubled times, researches say, people need to take comfort from life's simplest pleasures.
研究者们说，尽管做起来很难，但是在多事之秋，人们需要从生活的最简单的快乐中获取安慰。
It may be difficult, but in troubled times, researchers say, people need to take comfort from life 's simplest pleasures.
研究者们说，尽管做起来很难，但是在多事之秋，人们需要从生活的最简单的快乐中获取安慰。
It may be difficult to imagine Russia making such a daring move, but few in the West predicted the August 2008 war either.
也许很难想象俄罗斯会实施这样一个铤而走险的军事行动，但是西方也同样没能预见到2008年8月间的战中。
If inappropriate goods clog valuable supply lines to disaster areas, it may be difficult for essential items to be rapidly deployed.
如果不适当的货物堵塞了通往灾区的宝贵供应线，可能难以将重要的物资迅速部署到位。
At the onset of an emergency, it may be difficult to foresee all the administrative and community services likely to be required.
在紧急情况突发伊始，有可能很难把所有需要的行政管理和社区服务都预计到。
It may be difficult to reach a consensus about the way forward, but these NSF projects should be helpful in providing a number of options.
在前进的路上也许很难达成一致，可是这些NSF的项目应该对提供一组可选项颇有助益。
If your site comprises many sites and properties, as the Yahoo! Network does, it may be difficult to ensure a consistent heading style throughout.
你的网站可能包含很多不同功能的子网站，就像雅虎一样，要保持所有网站标题风格的一致是很困难的。
If treatment is started prior to the lumbar puncture it may be difficult to grow the bacteria from the spinal fluid and confirm the diagnosis.
如果在腰椎穿刺之前开始治疗，可能很难培养出脊髓液中的细菌并确诊。
Assuming that she actually had an episode of bronchospasm, it may be difficult to differentiate between anaphylaxis and an acute asthmatic attack.
假设其真的发生了支气管痉挛，很难区分究竟是过敏还是急性哮喘发作。
It may be difficult of impossible to liquidate an existing position to assess the value to determine a fair price or to assess the exposure to risk.
也许难以或基本不也许结算现有仓位，评估价值，决定合理价格或评估风险。
ABSTRACT: It may be difficult to tell an unfamiliar wine is sweet or dry for many of us. This handy white wine sweetness cheat sheet may be helpful.
摘要： 怎样分辨一款白葡萄酒是干型还是甜型的？本文将为您提供一份白葡萄酒甜度指南。
It may be difficult or impossible to liquidate an existing position, to assess the value, to determine a fair price or to assess the exposure to risk.
平清现有的头寸，评估价值，以确定一个公平的价格评估风险可能很困难或不可能。
There are a number of different SOAP message formats to choose from in the Web Service Properties box, and it may be difficult to decide which one to use.
在WebServiceproperties框中，有很多不同的SOAP消息格式可以选择，所以不易决定到底应该使用哪一个。
The protein concentration in the circulation may not correlate with the pharmacological effect and it may be difficult to identify or sample the biophase.
蛋白的血浓也并不与其药理学效应成比例，也许很难确定和区分生物时相。
Even when such systems are available, the test data may not be suitable for exercising all code paths; that is, it may be difficult to simulate some error conditions.
即使在这些系统可用时，测试数据也可能不适于使用所有代码路径；也就是说，模拟一些错误条件可能会很困难。
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