Unless you are trying to lose weight to please yourself, it's going to be tough to keep your motivation level high.
除非你在为了让自己开心而努力减肥，否则要保持驱动力很高将很难。
Scott Hahn, cofounder with Rogan and Loomstate, which uses all-organic cotton, says high-quality sustainable materials can still be tough to fine.
使用全有机棉的Rogan和Loomstate 的联合创始人ScottHahn表示，仍很难提炼到高质量的可持续材料。
Scott Hahn, the cofounder with Rogan and Loomstate, which uses all-organic cotton, says high-quality sustainable materials can still be tough to fine.
使用100%有机棉的Rogan和Loomstate 联合创始人史考特·韩表示，仍很难提炼到高质量的可持续材料。
The answer is "yes", but it may be tough for you to break into the world of high-tech at first, and anything you have done relating to computers in addition to your studies will be to your advantage.
答案是肯定的，但是一开始你可能很难进入高科技的世界；而除了学习之外你所做的任何与计算机有关的事情都将是你的优势。
It can be tough to begin and takes a little planning—running shoes by the front door, lunches made the night before, umbrellas on rainy days and hats on hot ones—but it's certainly worth trying.
开始时可能很困难，需要做一些计划——跑鞋放在前门，午餐在前一天晚上做好，雨天打伞，热天戴帽子，但这当然值得尝试。
Give yourself the resources to be tough by creating internal and external recovery periods.
通过建立内部和外部恢复期，为自己变强提供动力。
I used to be tough, but I'm softer now, more feminine.
从前的我很倔强，而现在我温柔多了，也变得更女人了。
Lists and ranking resources can be tough and controversial.
列表和资源排名做起来比较困难也比较有争议。
Even setting aside its alleged robber baron, this will be tough.
甚至不理会所谓的强盗式资本家，这项任务将是艰巨的。
Even with the JWST, however, finding extrasolar 'Earths' will be tough.
即便使用JWST，寻找太阳系之外的“地球”依然不是轻而易举的事儿。
During his 2007 election campaign, Mr Sarkozy promised to be tough on both.
2007年大选期间，萨科齐承诺对两国都会采取强硬的做法。
That last tip can be tough. But don’t make excuses — destroy your credit cards.
最后一条可能很棘手，但不要找任何借口，一定要销毁你的信用卡，不要让你需要它们变得合乎所以。
Analysts say it may be tough for Microsoft's stock to advance in the short term.
分析师认为短期内微软的股票进展不大。
But even to the trained eye, two species of earthworms can be tough to tell apart.
可是，即使是受过训练的眼睛，也可能很难把两种蚯蚓分辨开。
Times will be tough and many of the world's largest economies will shrink in 2009.
形势会更加严峻，大多数世界最大的经济体都会在2009年出现经济衰退。
Agoraphobia treatment can be tough because it usually means confronting your fears.
广场恐惧症的治疗很困难，因为这意味着患者需要去面对自己的恐惧。
Even under the best of circumstances, it can be tough to know if you really have the flu.
即便在最佳的医疗条件下，也很难确诊一个人是否患了猪流感。
Going back and forth between two homes can be tough, especially if parents live far apart.
在两个家之间搬来搬去很不容易，特别是当父母的住处相距遥远时。
If we're sure a conversation is going to be tough, it's instinctive to rehearse what we'll say.
如果我们认为一场谈话注定是艰难的，那么就应该主动练习我们要说的内容。
Yet boys are still taught to be tough, not cry, suppress emotions, and be strong at all costs.
然而男孩子们依然被教育要坚韧，不能哭，要抑制情感，并且，无论话多大的代价都要成为强者。
Although it may be tough to ignore him, it's better to keep your distance and continue moving.
虽然无视他很难，但是保持距离，继续前进是好的选择。
That will be tough for many small producers: the extra transport costs may kill their business.
这对很多小的生产商来说将面临很严重的问题：额外的运输成本会让它们倒闭。
It can be tough to keep a healthy perspective when someone feels overwhelmed fighting the odds.
一个人面对微弱渺茫的成功机会，往往会感到不知所措，这种情况下要想保持健康的心态，确实很难。
Group Similar tasks Back-to-Back - Switching gears between different types of tasks can be tough.
把类似的工作归类排列起来。在不同性质的工作之间转换比较不易。
No doubt, there is much noise in the marketplace and it can be tough to brand a technical service.
毫无疑问，在市场上充满各种声音，而要使一项技术服务成为一个品牌需付出很大的努力。
"It can be tough sometimes, and you realize, look, some days the stories aren't all good," he says.
他说：“有时可能很困难，你们也意识到了，你看，有些日子一些传闻并非全是好消息。”
The tax code makes provisions for such practices, though, admittedly, they can be tough to enforce.
不可否认的是他们可以按照税法条文针对这种做法强硬执行。
The tax code makes provisions for such practices, though, admittedly, they can be tough to enforce.
不可否认的是他们可以按照税法条文针对这种做法强硬执行。
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