A heavy object, like a football player moving at a high speed, has a lot of momentum—that is, once he is moving, it is hard to change his state of motion.
一个重物有很大的动量，也就是说，比如一位高速移动的足球运动员一旦运动起来，就很难改变运动状态。
Indeed, economists find it surprisingly hard to demonstrate the clear link between heavy public debt and higher bond yields that would justify fears of crowding out.
实际上，经济学家惊讶地发现，很难清楚地说明沉重的公共债务和高额债券收益率的关系，经济学家有理由担心后者将会被挤出。
These technological shifts hit American newspapers particularly hard because of their heavy reliance on advertising.
由于报纸对广告的严重依赖，这种科技转变严重打击了美国报业。
They found that heavy drinking, binge drinking, a preference for hard liquor and even drinking at mealtimes were associated with poor adherence to major nutrition guidelines.
结果显示，大量饮酒、酗酒、偏好烈性酒的人，即使在吃饭时喝酒，均忽视营养指导。
Among drawings by less well known artists is an oil on paper by Louis Jean-Jacques Durameau which captures the hard and heavy Labour of workers in a paper mill.
这些作品中最鲜为人知的是杜拉莫的布面油画，他描绘了造纸厂工人辛劳繁重的工作场景。
'It is hard to meet demand in all emerging markets on our own,' Akira Mabuchi, a senior vice President at Fuji Heavy said in an interview.
富士重工高级副总裁万宝至彰(Akira Mabuchi)在接受采访时说，靠我们自己的力量难以满足所有新兴市场的需求。
These sorts of issues are very hard to test for because they generally only occur when an application is under heavy load.
由于这些类型的问题通常只发生在应用程序负载很重的情况下，所以往往非常难以测试。
At least in the short term, Kyoto imposes heavy costs on some countries that are hard to explain to voters.
至少在短期内，京都协议向一些国家强加了它们难以向选民解释的沉重负担。
The costs of backing out of the euro are hard to calculate but would certainly be heavy.
中途退出欧元区的成本很难准确计算但是这个代价必然很沉重。
But there are tradeoffs too. For instance, flash handles data differently than a hard drives does, so software workarounds are needed for heavy-duty tasks like video editing.
但有得必有失，例如闪存和硬盘存储数据的方式完全不同，所以运行一些视频处理软件等大程序时就需要一个软件工作区。
It's not hard to imagine how this would cause problems — and worse, such a problem would only manifest itself when the application is under heavy load.
不难设想这将如何引起问题——这还不算，当应用在很大的负载下时，这样一个问题则更是暴露无遗。
I pull the heavy plastic door of the Dumpster back, trying to balance it on the wall. Because of the placement, this is hard to do, requiring no small amount of effort.
我拖着垃圾箱后面沉重的塑料门，试图把它平衡在墙上，因为位置特殊，不花一番努力是难以做到。
To the programmer, these constraints mean a heavy (both in terms of memory use and interface size) and unwieldy API that can be hard to learn and frustrating to use.
对于程序员，这些约束意味着庞大(在内存占用和接口大小方面)的和难掌握的API，学习和使用都很难。
If it is true, and if there is hard evidence, then I think those involved should pay a heavy penalty for it because it's disgraceful.
如果这些都是真的，有了铁证，我想那些卷入其中的人们需要重罚。
Many people in the country have been hit hard by spiralling food prices, which in some cases have doubled over the last year, mostly because of damage caused by heavy monsoon rain.
许多人都面对盘旋上涨的粮食价格苦不堪言。去年，有些食物的价格涨了足足一倍。
Another is that it is hard to avoid heavy exposure to mortgages from California, the biggest market in America, where alternative products were popular.
另外一个容易被忽视的问题是，另类借贷产品在加州相当普遍，但由于加州是美国最大的房贷市场，贷款池中不可避免有大量来自那里的贷款。
For his hand, though heavy and hard, is guided by the tender hand of the unseen.
因为他的手虽然重而硬，却由一只看不见的温柔之手指引着。
Even a normally hard-working city like São Paulo, where supermarkets open at 7.00am and heavy traffic is a way of life, came to a standstill for Brazil’s matches.
即使像圣保罗一样平常勤奋工作的城市，超市从早上七点营业和交通拥挤已经司空见惯，照样因为巴西足球队出赛而停顿下来。
In the malicious attack statement, two kinds of attacks, SQL injection and middleware channel multiplexing, are hard and heavy.
在恶意攻击语句中，SQL注入和中间件通道复用两种攻击是难中难，同时也是重中重。
During heavy training there should be a big difference between your easy and hard training paces.
在高强度训练过程中，您的轻松跑和高强度训练应该有很大的配速差异。
But it was hard to stay hopeful lost in rugged terrain, in heavy snow, with no food and few warm clothes.
但是在崎岖地势、苍茫大雪、没有食物、很少保暖衣物的条件下要一直保持希望谈何容易。
The modified bentonite has better qualities and ability of decolorization, sweeten and removing heavy metal cations and aromatic compounds and hard biodegradable harmful organic compounds.
改性膨润土可去除水体中的重金属离子、芳香族化合物、有毒难生物降解有机物，还具有脱色、脱磷、除臭等作用。
The "hard work" doesn't involve heavy lifting; it's about mind flexing and communication.
这种“艰苦的工作”不是指体力方面，而是繁重的脑力劳动和信息交流。
The product is specially formulated soap detergent even for heavy soil and grease removal in hard water conditions.
本产品是特别配制的高碱性皂化洗衣剂，即使在硬水条件下仍能发挥特强清洁力去除所有重污及油渍。
Behind gloomy cloud is sunshine, behind heavy storm are rainbows, behind winter is spring, behind bitterness is smile, behind misfortune is good luck, and behind our hard work is victory.
阳光总在风雨后，冬天之后是春天，痛苦之后是微笑，厄运之后是好运，努力之后是胜利。
Behind gloomy cloud is sunshine, behind heavy storm are rainbows, behind winter is spring, behind bitterness is smile, behind misfortune is good luck, and behind our hard work is victory.
阳光总在风雨后，冬天之后是春天，痛苦之后是微笑，厄运之后是好运，努力之后是胜利。
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