意志力在用于积极向上的目标时是最具活力的。
Willpower is most dynamic when applied to positive, uplifting purposes.
那种向上推的力，我膝盖举起时的感觉，这一切我已经忘记多年了。我自己不能举起膝盖，所以不得不再次去感受它。
That push-up I felt and my knee lifting it is what I've forgotten. I couldn't reproduce it myself so I had to feel it again.
所以也有向下的力，图钉上的力mg向上。
Mg so also here we have now mg down, so we have at the pin mg up.
我们花很多时间在某事上，却掉进那没想到的陷阱，分散了我们的注意力并带我们去到一个完全不同的方向上。
We spend so much time working toward something, only to have the unexpected snare our attention and take us in a completely different direction.
假如我们把所有的注意力聚焦在一个方向上，我们就会取得一次又一次的进步- - -这就是专注的力量！
If we direct all our attention in one direction, progress will be made-this is the power of focus!
他手掌向上很快挥了一下，悄无声息地发出了命令——我打断了他的注意力，是的，他确是头领。
Quiet, he ordered with a brisk wave of an upturned palm - I was breaking his concentration. Yes, he was in charge, alright.
重要的是，不论注意力还是行为，一旦以一个特定的方向开始了，就会在一个相当长的时间间隔中保持在那个方向上。
It is important that both attention and behavior, once initiated in a particular direction, tend to persist in that direction for a considerable time interval.
这能大大减少那种让你退缩的消极情绪。当这种情绪被驱出身心时，你的注意力便会更容易集中，会感受到积极向上感觉，你的表现仍然会很出色，一定会学到你决心要学的东西。
And with those feelings out of your mind and body it becomes easier to focus, to feel positive feelings and actually perform well and learn to do whatever you have set your mind upon.
如果你要成功，你就要改变你的思维模式，你就要成为一个更加积极向上的人，你就要把注意力集中在事物好的一面和解决方案上。
If you are to succeed you have to change your mental programming, you have to become a more positive person, focusing on the good and on solutions.
青年人是世界的希望和未来，青年人有着蓬勃向上的生命活力和无穷的创造力。
Young people represent the hope and future of the world. They are full of vitality, new ideas and creativity.
在这个大点上，我左脚发力向上站起抓第二个大点以完成整个动作。
On this jug, I stand up my left feet to push up the second jug who finish the first sequence.
她的演说和以往一样积极向上并富有感染力，并且她不时的和听众热情的交流意见。
She spoke with the buoyancy and infectious joy that havecharacterized her addresses in the past, and her exchanges with the crowd weresometimes emotional.
如果您能够使用核心功能来回答这些问题，那么您已经走在构建富有竞争力、用户友好且适用的应用程序的正确方向上。
If you can answer these questions with core functions, then you're already on the track to building competitive, user-friendly, and usable applications.
的确鸟儿尾巴一样的飞机尾部改善了空气动力学性能，缓解了机体和机翼的阻力，同时还大大的增加了向上的力，缓释了由于飞机本身和货物重量而产生的向下的力。
But it was a birdlike tail that really amped up the aerodynamics, dampening the drag from the body and wings, as well as boosting the lift that lags under vehicle weight and cargo load.
最新的研究成果显示，高频率的力会沿着人体骨骼向上，而低频率的力会沿着肌肉和软组织向上。
Earlier research has shown that high-frequency forces tend to move up the body through a person's bones. Lower-frequency forces typically move through muscles and soft tissue.
升力是指向上或横向的力，产生马格纳斯效应。
The lift force is the upwards or sidewards force that is responsible for the Magnus effect.
活动常常会导致心理上的“沉没成本”，这种“沉没成本”使得在相同的方向上保持注意力更加有利。
Activity often results in psychological 'sunk costs' that make persistence of attention in the same direction advantageous.
不过如果物体有下滑的趋势,我不知道-,那么摩擦力,就会向上。
If, however, this object wants to go in this direction - which I do not know-- then the frictional force has to be put in this direction.
因为如果处于一直线，就会有一个力，这里就会有一个，向上的力。
Because if that's the case, mg then there will be here a force mg, mg and then here there will be a force mg upwards.
物体运动，并向上加速度，因为摩擦力方向斜上，值为这个。
It is moving, so sure, it's going to be accelerated so the frictional force is in this direction, has this value.
还让人印象深刻的是作者对事物的理解，欣赏，厌恶，解释，和导向上的深刻的溶解力。
The impression they left most indelibly was their author's vast range in time, space and discipline as a reader, and his deep capacity to understand, appreciate, discriminate, explain and guide.
这种对你上半身的向上的力就是你的支撑结构。
This upward force acting on your buoy is your support structure.
其它情况下，摩擦力会根据情况调节自身,此时在x方向上使用第二定律,合力为0就是结果。
And the frictional force, in this case will adjust itself just the right way so that Newton's Second Law in the x direction will give you, for the force, a zero.
你应该将注意力集中到大浪的运动方向上去。
当我们移动身体时就会产生向上的力。
施加给比自己密度小的物体的向上作用的力。
The upward force that a fluid exerts on an object less dense than itself.
既然在y方向上,没有加速度，法向力也等于mgcosθ
Since there is no acceleration in the y direction, the normal force must be also mg cosine theta.
要提起重物必须向它施加一个向上的力。
An upward force must be exerted on it so as to lift an object.
要提起重物必须向它施加一个向上的力。
An upward force must be exerted on it so as to lift an object.
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