It is difficult for us to imagine what life was like for slaves in the ancient world.
我们很难想象古代奴隶的生活是怎么样的。
The noise which is produced by jet planes or machines will make people's life difficult and unpleasant.
喷气式飞机或机器所产生的噪音会使人们的生活困难和不愉快。
However difficult life is, never lose your heart, and you will overcome all the difficulties one day.
无论生活多么艰难，都不要丧失信心，总有一天你会克服所有困难的。
In wider and more difficult areas of life, there is evidence to indicate that natural surroundings improve all kinds of things.
在更广阔，更艰难的生命领域中，有证据表明自然环境可以改善各种事情。
The more difficult a child's life circumstances, the more important it is for that child to find joy in his or her classroom.
一个孩子的生活环境越是困难，他或她在课堂上能够找到快乐就越重要。
In our daily life, robots are often found to do work that is too dangerous, boring, difficult, or dirty.
在我们的日常生活中，机器人经常做太危险、无聊、困难、或脏的工作。
What some teenagers don't realize is how difficult life can be after they get addicted to drugs.
一些青少年没有意识到一旦他们染上毒瘾，生活会变得多么困难。
There is lots of snow around and the ground freezes, which can make life difficult for animals.
周围积雪很深，地面结冰，动物们的生活会变得困难。
When he could go to the distant place, he would find that life there is just as difficult.
但当他能走到远处的草地时，他会发现，那边的生活也不好过。
Scientists think this is the plants' way to prevent the spread of any tree diseases and make life more difficult for leaf-eating insects like caterpillars.
科学家认为，这是植物防止树木疾病传播的方法，并给像毛毛虫之类的食叶昆虫制造些生存上的困难。
Life is usually controlled by cars in the US. There's no cheap and good public transportation, so it's so difficult to get somewhere.
在美国，人们的生活受到汽车支配。由于没有便宜优质的公共交通工具，所以很难去其他地方。
It is a great truth because once we truly understand and accept it. Then life is no longer difficult.
这是一个公认的事实，一旦我们真正的理解并接受它，那么生活不再是充满艰难困苦的。
Life is difficult, and complicated, and beyond anyone's total control, and the humility to know that will enable you to survive its vicissitudes.
生活是困难的，也是复杂的，它完全超出任何人的控制，谦虚的认识到这些能使你们在生命的沉浮中得以顺利生存。
It is particularly difficult for young children, whose visual perception and life experience are still developing.
这对于视觉感和生活经验仍在成长的孩子来说是特别困难的。
Changing behavior - even when it's life threatening, such as smoking - is extremely difficult.
改变行为是非常困难的-即使知道他对生命的威胁，如吸烟。
And the more difficult question is about the meaning of life or the meaning of death, which have the same kind of medium importance.
并且更困难的问题是，关于生命的意义或是，死亡的意义，这两者同样重要。
It is a difficult question to answer because I tend to mix life and career intimately.
这个问题很难回答，因为我把生活和事业混在一起。
Taking the first step in anything in business or life itself is concurrently the easiest and most difficult. It's also the most important.
生活工作中的每件事情都有第一步，是最简单又是最难的，同时又是最重要的。
Volunteer to help those truly in need - you will see first-hand what a difficult life is.
做志愿者工作去帮助那些真正需要帮助的人吧——你会直接地看到他们的生活到底有多困难。
It is difficult to readjust ourselves to life in a foreign country in a short time.
我们要想在短期内重新适应异国的生活是不容易的。
And then comes the difficult task of changing your life so that it is what you want it to be.
然后面对那些能改变你生活的困难的问题使它变成你所希望的样子。
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。
And since life causes a lot of problems, life is always difficult and is full of pain as well as joy.
因为生活引发了很多的问题，生活总是艰难困苦的并且除了欢乐以外还充满了痛苦。
Programming is hard indeed, but not at all as difficult as life of a crook or joker who pretend, lie and act for living.
编程的确很难，但比起那些需要伪装、欺骗和表演来生活的恶棍或者小丑来说，真的一点也不难。
And yes, having a manager who is not good at explaining what needs to be done makes life difficult.
是的，拥有一位不擅长解释该干什么事情的经理的确令生活困难。
The pope is always making life difficult for liberal Catholics, too; so it goes.
教皇也总是让自由派天主教徒日子不好过；就是这样。
Remember that living a life of excellence is not difficult – simplydecide right now to give it your best shot – and you will be amazedwith what life gives you back.
请记住，过卓越的生活并不难 -只要现在决定做最大的努力 -你会惊讶于生活回馈给你的。
For those who are stuck at the cellular level of thinking, I suspect that life is going to become increasingly difficult for you.
那些局限在细胞层次思考的人，我猜想你们的生活过得越来越艰难。
For those who are stuck at the cellular level of thinking, I suspect that life is going to become increasingly difficult for you.
那些局限在细胞层次思考的人，我猜想你们的生活过得越来越艰难。
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