内容简介

你擅长临场发挥、见机行事吗？英语表达 “on the fly” 就可以用来描述这种 “随机应变，临场发挥的能力”。除此之外，“on the fly” 还可以指 “未经准备做某事” 或 “在做其他事情的同时完成另一件事”。听本期节目，学习 “on the fly” 的用法。

文字稿

（关于台词的备注: 请注意这不是广播节目的逐字稿件。本文稿可能没有体现录制、编辑过程中对节目做出的改变。）

Feifei 
大家好，欢迎收听 BBC 英语教学的 “地道英语” 节目。在每期节目中，我们都会介绍一个英语母语人士或讲英语流利的人会用到的习惯用语或者短语。I'm Feifei.

Phil
Hi everyone, I'm Phil.

Feifei
Now, I should be telling you that you shouldn't eat in the studio – but that looks delicious. Where did you get the recipe for that?

Phil
I didn't – I just made it up on the fly. I started cooking and then looked to see what was in the fridge. It's a bit random, but it turned out alright. Do you want to try some?

Feifei
Oh, thanks! And also, thank you for giving us a phrase to learn in this episode – 'on the fly'. It means that you decide what to do, as you are doing it. So, you do something quickly, without any preparation, improvising as you go along.

Phil
Yes, I was talking about making food – but it could be anything. If we didn't have a script for this programme we could just come in and make it up on the fly.

Feifei
If you are very good at something, then you can do it on the fly. For example, a simultaneous interpreter can come up with translations of what people are saying on the fly.

Phil
Let's hear some more examples of people using 'on the fly'.

Examples
I've got a job interview, and I haven't prepared. So, I think I'm going to have to make my answers up on the fly.

So, I'm supposed to be going on this backpacking trip tomorrow with a friend, but we haven't planned anything. So, we are just going to make it up on the fly.

I don't feel like this presentation is good at all – we just did it on the fly. We should have prepared more. 

Feifei
你正在收听的是 BBC 英语教学的 “地道英语” 节目。刚刚我们讲了 “on the fly” 这个习惯用语的意思。它用来指 “某人未经准备做某事，临场发挥、边想边做”。

Phil
Yes. And, for example, I was going to give a talk on how to use the present perfect continuous, and I didn't plan it. But, because I know it quite well I could just do it on the fly.

And, 'On the fly' also has some specific uses when talking about computers or cars. In these cases, it refers to things that can be done without interrupting the car or the computer programme.

Feifei
Interesting. “On the fly” 还可以用来表示 “计算机或者车辆在运行时可以同时完成其他任务，而不影响已经在运行的功能”。

Phil
Well, I can't think of anything more to say on the fly, so let's end there. Bye!

Feifei
See you next time!