hard back

基本解釋

At first it pushed us so hard back into our seats that we could not say anything to each other.
起初這種壓力使勁把我們向后推倒在座位上，以致于我們彼此不能說話了。
I have to get up at 5.20 every morning, inside the first hard back at home, to school in the back, or will not be back.
每天早上我都要5.20起床，在家里面先使勁的背，到學(xué)校在背，還是不會(huì)背。
First, I put dirty clothes into the pot, and then they put a lot of detergent and laundry detergent, after wet my hard back and forth on a washboard rubbing.
首先，我把臟衣服都放進(jìn)了盆子里，然后又放了好多的洗衣粉和洗衣液，打濕后我使勁在洗衣板上來回搓動(dòng)。

He had to struggle to reach forward for the controls while being pushed back hard in his seat.
And if we do, in fact, hit it with light to get the electrons off, it will go back to the straight up in position, or if it gets knocked hard enough it does that, too.
而且如果我們這么做，事實(shí)上，用光轟擊它以逐出電子，它就會(huì)在原位置沿直線返回，或者如果它被撞擊的足夠猛烈,也會(huì)出現(xiàn)上述現(xiàn)象。
麻省理工公開課 - 化學(xué)原理課程節(jié)選
If somewhere later on in the code it shifts to string, I might not be manipulating that and getting actual values out, but not what I wanted, and it's going to be really hard for me to chase it back.
然后后面的一些代碼,把變量類型變?yōu)榱俗址?，我可能不?huì)通過實(shí)際操作,去取得實(shí)際的變量的類型，但是這并不是我想要的類型,而且對(duì)我來說把類型，變回去也很困難。
麻省理工公開課 - 計(jì)算機(jī)科學(xué)及編程導(dǎo)論課程節(jié)選

Jeff Bezos acknowledged that while he was in NYC, there were many people working hard back at Amazon.
FORBES: Connect