take somebody up on something

Now I decided to take him up on the idea.

Let me take you up on one or two of those points.

All told, 893 people took him up on the offer, which cost the company $2 million.

And would you believe he took me up on it?

I would be more than happy to take you up on your offer.

Last week I took him up on his offer to check out the action.

He will take up his new job on July 1.

I think you had better take me up on my offer.

I might just take you up on it one day.

Six families, with more than 20 children in all, took him up on the offer.