You tried your best and you failed miserably. The lesson is 'never try'.

You tried your best and failed miserably. The lesson is: never try.

We've had our first test, and we've failed miserably,

I've always wondered if there was a god. And now I know there is - and it's me.

We did everything possible to prevent this happening but we have failed miserably.

We had our first post-9/11 task and we've miserably failed.