It must be hard for her, bringing up four children on her own.
她一个人抚养四个孩子一定很艰难。
During stages three and four (often called "deep sleep") , it is very hard to wake up a person.
在第三和第四阶段（通常称为“深度睡眠”），这时唤醒一个人是很难的。
It has a four-core CPU, an independent display card of 2G, a hard disk of 500G and a screen of 15.6 inches.
它配有一个四核CPU，一个独立2G 显卡，一个 500G硬盘和15.6英寸屏幕。
I've always been very interested in journalism, and have worked very hard at studying throughout my four years of college.
我一直对新闻学很感兴趣，在我四年的大学生活中也一直很努力地在学习。
It was hard for me to lose when I had three or four break points in that fifth set [which Federer won 6-2].
在那个第五盘比赛中，我有三、四次破发点，失去那一局令我的形势非常困难(那一局费德勒以6 - 2拿下)。
China has grown by more than 10 per cent for the past four years in succession, leading many economists to predict, at various points along the way, "hard" or "soft landings" for the economy.
中国经济增速已连续四年超过10%，在此过程中的不同时点，许多经济学家曾做出中国经济将“硬着陆”或“软着陆”的预期。
Helicopters are notoriously hard to fly because a control exists for each of the pilot's four limbs.
众所周知直升飞机很难飞起来，是因为飞机员的四肢都有操纵装置。
'I don't want to end up with a job that is totally irrelevant to what I have been studying so hard over the past four years in college,' said Liu, who still hopes to find a job related to his major.
刘凯说，我不希望最后找到的是一个跟我的专业毫不相关的工作，毕竟我过去四年大学期间学习很刻苦。他现在仍希望能找到一个跟专业有关的工作。
But for hotel perks, it's hard to beat the deal offered at the Four Seasons hotel Los Angeles, where your stay comes with the free use of a Mercedes, Porsche, or a BMW convertible.
但从酒店的特殊待遇来说，很难有人可以与洛杉矶的四季酒店相媲美。因为只要您住进四季酒店，就可以免费使用奔驰、保时捷和宝马，并且可以自由更换。
Life was hard enough already without four extra mouths to feed.
生活已经足够艰辛，要再多喂四张嘴也是勉为其难。
Selectively hard to get: liked the participant but not the other four men.
钟情型：喜欢参与者但不包括那四位。
Similarly, you can't train hard for more than three or four months at a time.
同样你不可能一次进行三到四个月的艰苦训练。
As performance is an important topic for Linux programmers, I offer a paired collection of four hard and easy tales from real (programming) life.
由于性能对Linux程序员而言是非常重要的主题，因此我提供了四个来源于实际(编程)生活中的故事，它们按“困难”和“简单”方式配成两对。
Four weeks later the boss returns and says, "You're all working very hard."
四周后，老板又来了说：“你们的工作都很努力，我对你们都非常满意。”
He said the concerns about fragmentation are overplayed: There are currently four different versions of Android, and it's not hard to account for a few variations of the same app.
他说大家对分散开发的问题过分担心了：目前Android有四种不同版本，而一个程序做几个改版并不困难。
Aside from the visa question, which is hard to sort because it bumps up against security issues, there are four fundamental problems underlying America's declining competitiveness.
签证问题使得安全问题凸显，除此之外还有四个基本问题影响美国竞争力下降。
After wading through the pitfalls the hard way, we've arrived at four key goals for the Self Check offering, which are the basis for the tool's design.
在费力经过了缺陷的艰难路途之后，我们已经到达了SelfCheck产品的四个重要的目标，它们是工具设计的基础。
The listings show the directory’s four entries (hard links): ., .., bin and foo.
这个列表显示当前目录下的4个目录项（硬链接）：.、..、bin和foo。
Given the ubiquity of online video, it may be hard to believe that it is just four and a half years since YouTube was launched, for instance.
鉴于在线视频的无所不在，可能很难想象例如YouTube的创办才不过4年半而已。
Before opening the envelope containing the name of the winning city, Rogge said: "All four projects are of the highest quality - thank you for your hard work, energy and commitment."
在打开装有写着胜出城市名字的信封之前，罗格说：“所有四份计划的质量都是最高的——感谢你们的辛勤工作、干劲和承诺。”
Counsellors were on hand, as well as four replacement jurors ready to step in if the evidence proved too hard to stomach.
律师还有四个后备陪审团成员就在边上，准备着如果证据太难以接受时进行替换。
He finds it hard to pare them down to three or four compelling points and present them in crisp, short sentences.
最后发现自己很难把这些见解压缩成三到四条有力的观点，并用干脆利落的语句表达出来。
But whereas one more year of above-average profits growth is possible, three or four more are hard to imagine.
但是，如果说一年以上的高于平均水平的利润增长是可能的话，那么三到四年的情况则很难让人想象。
The other four committees were hard at work trying to forge consensus.
其它四个委员会正努力开展工作，试图达成一致意见。
It is hard to claim that pyramid-shaped tea-bags (developed at great expense over four years) have added much to the sum of human happiness.
对于金字塔状的茶叶包(开发花费巨大且历时超过四年)，你很难要求它为人类幸福总和增添什么。
How hard will this be? We will examine the task in a series of articles on the world's four biggest economies, beginning this week with America's (see article).
实现这些会有多难？我们将通过对世界最大的四个经济体，本周从美国开始的一系列文章探讨这个问题。
This result seems hard to believe: surely we are more likely to find something we like from a range four times as large.
这一结果看起来令人难以置信：可供挑选的商品种类多了三倍，按道理我们应该更有可能找到自己喜欢的东西。
You ask four women, even young ones, whether they want to see cheap pearls and the answer is not hard to guess.
问了几个妇女，包括年轻的女孩想不想看到便宜的珍珠，其答案是不难猜到的。
You ask four women, even young ones, whether they want to see cheap pearls and the answer is not hard to guess.
问了几个妇女，包括年轻的女孩想不想看到便宜的珍珠，其答案是不难猜到的。
应用推荐