Definition
to agree to an offer that another person has presented
接受提议／幫助
I decided to take him up on the job offer.
我決定接受他的工作邀請。
She invited me to see the new movie, and I'll take her up on that.
她邀請我去看新電影，我會接受她的邀請。
If you can help me move, I'd be happy to take you up on that.
如果你能幫我搬家，我很樂意接受你的幫助。