A student who tells you his grades have hit bottom is saying he has not done well in school.

VOA: special.2009.09.20

At some point you're going to hit a well here, which is the point where it's most stabilized or at its lowest energy.

直到某一时刻，你会到达这个势阱，也就是体系最稳定,或者说能量最低的位置。

麻省理工公开课 - 化学原理课程节选

There's just a kind of a stand and you put the ball on the stand and then you just hit it.

只有一个台子，你只需把球放在台上，然后击打它。

会打棒球吗？ - SpeakingMax英语口语达人

You might see a war movie in which an airplane has been hit by rocket fire.

VOA: special.2010.04.18

And as you're busy calculating all this, you're walking across Chapel Street and you get hit by a truck and you die.

然而就在你一边忙于计算这个数字，一边经过雅普街的时候,你可能会被一辆卡车撞死。

耶鲁公开课 - 死亡课程节选

"I've always been a devotee of slapstick, and it sort of emphasizes sometimes jokes and you know I think everybody really deep inside would sometime or another would like to throw a pie or get hit with a pie."

VOA: special.2010.10.17

So in a moment you're going to go ahead and hit the spacebar and then as things fall from the screen when they line up with the left arrow, hit the left arrow with a different arrow, hit that arrow and see how good a score you can get.

一会儿你走到前面，敲一下空格键,当屏幕上面的东西从左边往下掉的时候,你就敲一下键盘上的左键,是哪个方向，敲对应的方向键就可以了,我们来看看你能得多少分。

哈佛公开课 - 计算机科学课程节选

To date,"On Stage" has sold more than The re-mastered "Elvis Presley On Stage" contains additional recordings from both sets of concerts at the International, as well as nine bonus tracks and a rehearsal take of his hit single, "The Wonder Of You."

VOA: standard.2010.04.30

You do that eight billion times in your life and you can hit a good top spin backhand.

如果你把这个动作做上八十亿次,那你一定能打个漂亮的反手上旋球

耶鲁公开课 - 聆听音乐课程节选

And he gave a very good analogy in saying, "It was almost as incredible as if you'd fired a 15 inch shell at a piece of tissue paper, and it came back and hit you."

他还打过一个很好的比方：,“这就像是,你用个15英寸果壳,打到面巾纸上被弹回来打到你，一样不可思议，“

麻省理工公开课 - 化学原理课程节选

Second example. Maybe one that'll hit a little more home to you.

第二个例子，可能这个对你们来说,更有震撼力一些。

麻省理工公开课 - 计算机科学及编程导论课程节选

And if you are looking at a keyboard, we can predict in the real time very rapidly that beat your very single finger typing speed, exactly the letters you like to type and hit, therefore provide a communication mechanism that Christopher Reeve and those similar with him can benefit from.

如果你在看电脑键盘，你可以十分快速地,实时预知自己手指敲击键盘的速度，预知你想录入的字母，这样便为克里斯托弗·里夫,和其他你说熟悉的人提供了一种沟通机制，使他们从中受益。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

and you've got to hit a ball which is on the ground with a sort of croquet mallets.

你要用一个类似木槌的东西去打击地上的球。

知道马球吗？ - SpeakingMax英语口语达人

If you can do all that, I think the chances are that you're going to hit a lucky streak because luck comes and goes.

如果你可以做到这些，我认为你很可能要,运气连碰了,因为运气总是来来去去。

耶鲁公开课 - 金融市场课程节选

It all sort of depends on how you hit it off with somebody, whether there's a spark.

这要看你是不是跟那个人合得来，能不能擦出火花。

跟校友们的关系 - SpeakingMax英语口语达人

And if you hit it really hard and a long way, it goes over the boundary.

还有就是，如果你真的击得很重，打得很远，过界了。

板球的规则 - SpeakingMax英语口语达人

And the next day, what do you know? A typhoon hit.

结果第二天，你猜怎么着？居然刮台风了。

I was实战 - SpeakingMax英语口语达人

Conversely, if you get an answer and it doesn't seem to make sense, then you've got to go back and ask, am I violating some of the assumptions, and here you will find the assumption that the particle had that acceleration a is true as long it's freely falling under gravity but not when you hit the ground.

反过来说,如果你得到一个结果,发现似乎是错的,那么你就应该回过头来问问自己,我是不是违反某些前提了,这个模型中,你就发现,只要质点在重力作用下自由下落,质点具有加速度a的前提是正确的,但是落地后就不成立了

耶鲁公开课 - 基础物理课程节选

You at this point don't see what I'm seeing because I haven't hit this button, but now you'll actually see that I've brought up a terminal window.

在这里你们没看到我所看到的,因为我还么有点击这个按钮，但是现在你们的确看到了,我设计了一个终端窗口。

哈佛公开课 - 计算机科学课程节选

So what would be the letter A in binary inside of a computer's memory when you hit the letter A on the keyboard, for capital A?

当你敲击键盘上的字母A时,那么在计算机二进制的存储中,字母A是什么样的呢？

哈佛公开课 - 计算机科学课程节选

So what syncopation is is simply the insertion of an impulse, a "Hit" If you will, at a metrical place that we do not expect it to be.

所以切分音就是插入的一个冲动,也可以说是一次"撞击",出现在一个我们意料之外的位置

耶鲁公开课 - 聆听音乐课程节选

You can certainly hit Enter but as we saw-- seen that very quickly makes a mess of your code and such and so backslash N is new line.

你也可以敲回车键-,但是会让你的代码看起来乱七八糟,反斜杠n就是换行符。

哈佛公开课 - 计算机科学课程节选

And most of these commands you don't actually need but this little caret symbol means control, so every keyboard these days has a control key so you hold that and hit X for instance to exit the program.

这里大多数命令你们都用不着,这个小插入符意味着控制，每个键盘都有一个控制键,譬如，当你敲入X时，就退出这个程序。

哈佛公开课 - 计算机科学课程节选