赎买的英文：
buy out; redeem

buy是什么意思：
n. 所购的物品；便宜货；买卖
v. 买；获得；购得；收买；相信

Buying bonds is safer than buying stocks.
买债券比买股票风险小。

It's a good buy at that price.
这是一笔价钱合算的买卖。

That shirt was a really great buy.
这个衬衫真是便宜货。

out是什么意思：
adv. 出外；在外；离岸；出现；问世；大声地；完全；用完；不流行
adj. 外侧的；偏僻的
prep. 通过…而出；沿着…而去
n. 借口，托辞
pref. 外，超过，出，向外

be out for the count
拳击者被击倒后经裁判数到十秒还站不起来|被判失败|打输|被打败

Out of the Blue
从天上掉下来

Out of power, he is out of favour.
当他失去权力之后，他也就不再受人欢迎。

redeem是什么意思：
v. 履行；挽回；补偿；赎回；偿还；兑换；恢复

Redeem one's pledges, obligations.
履行誓约、义务。

The redeeming feature of the plan is its simplicity.
这个计划可取之处是其简单性。

Something placed in escrow and then redeemed after payment of a fine
罚物游戏的抵押物写于契据之上在付清罚金之后赎回的物品