虽然很难辨别哪些包裹里装的是社会保障支票等重要物品，但美国邮政（USPS）和联合包裹服务公司（UPS）会尽其所能优先处理敏感材料。
It can be hard to identify which parcels are carrying crucial items such as Social Security checks, but USPS and UPS try their best to prioritize sensitive material.
虽然很难，但我还是坚持了下来。
虽然很难，我最后还是做出来了。
虽然很难，但是十分必要。
虽然很难做，但是我们会提前完成的。
水球防守的动作虽然很难，但其实也满好玩的。
虽然很难去预测未来，但忽略过去却一定是愚蠢的。
It is difficult to predict the future but foolish to ignore the past.
虽然很难明确的知道哪些措施发挥了作用，但总有一些是有效的。
It is hard to know which of these measures are working, but something is.
至于我的三位孕妇朋友，虽然很难，但仍然应该由她们自己做出这个决定。
As for my three pregnant friends, the decision, while difficult, remains theirs.
兰虽然很难相信这一切，但是她太累了，最终还是合上眼睛睡着了。
She just can't believe it, but she's wiped out and tired, and she closes her eyes and fell asleep.
虽然很难，我们可以向神求力量，来拒绝试探的引诱，对试探说不。
Ask God for strength to SAY NO to temptation, even though it may be hard!
达玛·普利亚，要做到虽然很难，但也并非不可能。只需一点点领悟。
Dharma Priya, it is difficult but not impossible. Just a little understanding is needed.
虽然很难给世界各地最差的江河湖泊排个名次，但有几个江河湖泊却是极其明显的脏。
While it is hard to rank rivers and lakes around the world in terms of who is the worst, there are a few that stand out in the crowd.
虽然很难证实(缺乏国家数据)，但是观察证据显示现在一个家庭的补助金比起以前要少。
Though hard to prove (national figures are not available), anecdotal evidence suggests that the family grant can be worth less than the former array of benefits.
虽然很难找到幸存者，飘着橘色旗帜、用来运送国际搜救队员的车辆仍在该地行驶搜寻着。
Truck convoys carrying orange-clad international search-and-rescue workers also were driving around the city, though none were witnessed at disaster sites.
虽然很难完全信任这项研究，但它确实为我们进入一段从容不迫的关系提供了方法。
Although it's hard to credit the study entirely, it did give us a way into a relationship that feels deliberate.
虽然很难打破切割这个模式(译者注：处理烦恼或者困难的模式)，但是这是可能的。
Although cutting can be a difficult pattern to break, it is possible.
合作虽然很难成为人生的唯一法则，但长期以来曾是社团生活和公民生活的补充原则。
Cooperation, although it is hardly the only law of life, has long been a complementary principle of community and civic living.
虽然很难了解别人每天都在干什么，但我知道他们都在想什么——因为我不久前也有同样感受。
One has to wonder what each person is doing today, but I know what they are feeling – that was me not so long ago.
而且虽然很难相信，但不是每个人都有Web站点，很多公司就使用电子邮件作为交易的基础。
And hard though it may be to believe, not everyone has a Web site, and many companies use email as the backbone of their business.
这种类型的学习通常交给神经网络来完成，虽然很难想象，但用决策树来完成这类问题也很简单。
This type of learning could probably be carried out with neural networks, though it is hard to imagine that the problem is simple enough for decision trees.
虽然很难写出难以理解的“聪明”代码，它同时也使得一些低级操作，如位操作变得困难起来。
It's harder to write inscrutable "clever" code, but it makes low-level operations like bit-manipulation more difficult.
一名官员称，她认为这次的火山喷发将不会造成同样的影响，虽然很难预测火山灰云会怎样移动。
One official said she doesn't think this new eruption will have that kind of impact, although she said it's hard to predict how the ash cloud might move.
虽然很难想象会再次得到这么多高质量的进球，但非常有希望的是这不会是跟一次性有关的质量。
Hopefully this is not a one-off in terms of quality although it is difficult to think you will get so many quality goals like that again.
虽然很难想象你的手是细菌的家园，但这些细菌是非常正常的，同时它们对维护你的身体健康有着重要的作用。
While it's hard to imagine your hands as a bacterial homeland, these residents are perfectly normal and are important in maintaining your health.
进行交易时做到严守坦诚虽然很难，却不是不可能。但坦诚与为己搂财水火不容，却是千真万确的。
It is difficult but not impossible to conduct strictly honest business. What is true is that honesty is incompatible with the amassing of a large fortune.
今天我的主题是“谅解他，虽然很难”，当伤害是微薄的，并且对方真诚表示歉意时，给予谅解是很容易的。
Today my topic is "Forgiving when It's Hard." Some forgiveness is easy when the hurt is small when the other person seems truly sorry.
今天我的主题是“谅解他，虽然很难”，当伤害是微薄的，并且对方真诚表示歉意时，给予谅解是很容易的。
Today my topic is "Forgiving when It's Hard." Some forgiveness is easy when the hurt is small when the other person seems truly sorry.
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