He knows how hard it was for her while he was gone.
他知道他不在的时候她有多难。
Nobody knows how hard it is to lie here alone, day after day.
没人知道一个人躺在这里，日复一日，有多难。
We will be more careful with money if we know how hard it is to earn money.
如果我们知道赚钱不易，就不会乱花钱。
She doesn't care how hard it is.
她不在乎那有多么难。
她说，这真是太难为她了。
That's how hard it is to join that team.
加入到这个团队是多么艰辛。
How hard it is in some cases to be believed!
有些事是多么不容易叫人相信！
OK.That is how hard it is to spin this disk.
这就是旋转这盘子的难度。
We all know how hard it can be to fall in love.
我们都知道谈恋爱并非易事。
She knew firsthand how hard it was to mop the floor.
她知道用Firsthand来拖地板是特别累人。
No matter how hard it tried, it didn't sound like a waiter.
无论机器人多么的努力，它听起来就是不像个酒吧招待。
How hard it is for us, non-idiots, to put up with them.
对于我们这些非傻瓜而言，忍受他们真是太难啊。
We don’t know how hard it is to stop thinking until we try.
如果不去尝试，我们不会知道要停止胡思乱想有多难。
Keep trying no matter how hard it seems, it will get easier.
不论多么艰难，努力尝试，会让它变得容易。
K eep trying no matter how hard it seems, it will get easier.
不论多么艰难，努力尝试，会让它变得容易。
One can't go on writing forever about how hard it is to breathe.
一个人不可能总是一直地写他的呼吸有多困难。
I knew how to put things together, and how hard it would be to do.
我知道怎样把事情整合起来，也知道这样做的艰辛。
But the story of 1938 also shows how hard it is to apply these insights.
但是，1938年的故事同时也告诉我们，要采用这些见解是多么的困难。
Regardless, the investigation showed how hard it is to crack such a case.
不论如何，这次调查显示出了应对类似案件的棘手之处。
Consider how hard it will be to "recreate" the business process instance.
考虑“重建”业务流程实例的难度有多大。
The level of the team is incredible though, so I know how hard it will be.
这支球队的实力是人们难以想象的，所以我知道我所面临的难题十分艰巨。
I realize now for the first time how hard it is to define this bitterness.
第一次，我意识到要定义这种痛苦是如此之难。
Regardless of how hard it tried, it could not break the chain and run free.
不管它花多大的气力，都无法挣断铁链，获得自由。
You talk about the need for appropriate simplicity and how hard it is to achieve.
你谈到需要合适的简化和实现它的困难程度。
Let's do an example. Let's try to figure out if we have just a uniform disk how hard it is to spin it around its center.
还是看个例子吧，有一张均匀的唱盘，让它绕中心旋转有多难呢？
Although the coral looks hard, it is very delicate.
虽然那珊瑚看起来坚硬，它其实非常易碎。
New arrivals find it hard to assimilate.
新来者感到难以融入当地社会。
The kids found it hard to stay still.
孩子们觉得待着不动很难做到。
The kids found it hard to stay still.
孩子们觉得待着不动很难做到。
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