do something on the fly 快速而不加思考地做某事

Do something on the fly

Definition: do something quickly without thinking

定义：快速而不加思考地做某事。

I did it on the fly, it's nothing special.

我不假思索地飞快去做了，它也没什么特别的。

Let's do it on the fly. It won't take long.

快点动手干吧，不会耗费多久的。