Scratch and scratch - until there's no skin left.

搔吧，搔吧，直到一块好皮肤也不剩。

youdao

A virtual server loads and runs from scratch much more quickly than you could ever rebuild a physical server from scratch.

与从头重新构建物理服务器相比，装载并运行虚拟服务器要快得多。

youdao

The second form is reciprocal altruism, or “you scratch my back and I'll scratch yours”.

另一种形式则是互惠型的利他行为，或称为“狼狈为奸，唯利是图”。

youdao

He says the prime minister should declare Japan will not goby the 2006 agreement and will start negotiations from scratch.

VOA: standard.2009.11.11

So it's generally called distribution code and whereas for the previous problems that you pretty much started from scratch, blank files you opened up nano and there was nothing there unless you put it there.

它一般被称作分布码，然而,对于之前几乎要从头做起的问题,在空白文件中什么都没有,除非你在里面写入些东西。

哈佛公开课 - 计算机科学课程节选

Thus far and in Scratch will pretty much focus on the idea of correctness: Does your code work as we asked it to and as you intended it to?

至此，人们大都是把注意力集中于正确性,观点上：你的代码是不是根据你的意愿,并按照你的要求来执行呢？

哈佛公开课 - 计算机科学课程节选

It's not like other war games where you sit around and stroke your head and scratch your chin and then scratch your chin some more while deciding what to do.

FORBES: Brain games

Would he stay behind the curtain and think about things, marinate in his own confusion, or would he put on his white fur suit and howl and scratch and make it known who was boss of this house and of all the world known and unknown?

NEWYORKER: Max at Sea

The phone's anti-slip finishes and materials are scratch and ding resistant, while the sealed housing design and rubber port covers resist dirt and water intrusion.

ENGADGET: Alcatel One Touch Shockwave reaches US Cellular, takes your bumps and scrapes for $50