to make something or someone seem less bad

A poor game was redeemed in the second half by a superb performance from Anthony Edwards. 安东尼‧爱德华兹在下半场表现绝佳，使得本来糟糕的比赛场面大为改观。

He was an hour late, but he redeemed himself in her eyes by giving her a huge bunch of flowers. 他迟到了一个小时，但是送给了她一大束鲜花，这便挽回了他在她心目中的形象。

She took me to see a really dull film, the only redeeming feature of which (= the only thing which prevented it from being completely bad) was the soundtrack. 她带我去看了场极为乏味的电影，唯一不错的就是配乐。

to get something back

She managed to save enough money to redeem her jewellery from the pawn shop. 她设法攒够了钱，把自己的首饰从当铺赎了回来。

to exchange a piece of paper representing a particular amount of money for that amount of money or for goods to this value

I've never had any issues redeeming coupons there.

You can save quite a lot of money by redeeming these coupons.

You have six weeks left to redeem this voucher.

This voucher can be redeemed for a free set of mugs.

You can redeem the coupons at any of their stores.

You'd be surprised at the number of people who fail to redeem their vouchers for free meals.

to carry out a promise or pay back a debt

The amount required to redeem the mortgage was £358,587. 偿付抵押贷款一共需要358，587英镑。

(in Christianity) to free people from sin

"Jesus," said the priest, "saved and redeemed mankind by taking our sins upon himself." “主耶稣，”牧师说道，“为我们担当了罪过，从而救赎了人类。”