Could you please knock up a quick report for me by lunchtime?
She asked her colleague to knock up a few slides for the presentation
He's going to knock up a simple shed in the backyard
The chef can knock up a delicious meal in under thirty minutes
Let's knock up some sandwiches for the picnic
We need to knock up a temporary shelter before the rain starts
Can you knock up a quick estimate for the project?
I'll knock up a pizza if you're hungry
The carpenter can knock up a custom bookshelf for you
He offered to knock up a flyer to advertise the event
I think I might knock up the wall by mistake.
Be careful with the hammer, please.
I will try my best not to damage anything.
He will knock up some furniture this weekend
He will build some furniture this weekend
He plans to assemble furniture this weekend