a fast one

基本解释

This is more important to a slow network than to a fast one.
相对快速网络，在慢速网络中这一点更为重要。
Back in 2001, former President George W. Bush pulled a fast one.
2001年，前任美国总统乔治•布什做了一件欺骗民众的事情。
You have a start-up company in which picking a productive technology is much more important than picking a fast one.
公司正在起步阶段，选择一个生产效率高的技术要比选择一个运行快的技术更加重要。

I am not trying to pull a fast one on you.
But really, the computer's just so fast I'm drawing the same string with just a slightly different number again and again after going to sleep one second at a time.
但是真实地，这个计算机到现在为止,我一次又一次用稍微不同的数字,绘画了相同的字符串,在睡眠1秒钟之后。
哈佛公开课 - 计算机科学课程节选
We could be going with a very fast tempo, three, one, two, three, one, two, three, one, two, three, and slow it down.
我们可以读的非常快,一二三,一二三,一二三,也能慢下来
耶鲁公开课 - 聆听音乐课程节选

Congress hid the increase in the federal rate by pulling a fast one on the states.
FORBES: Estate Tax Fraud