To redeem is to buy back.

救赎的意思就是买赎。

It would be illegal for them to buy back the shares.

他们要想买回股票是不可能的。

No man is rich enough to buy back his own past.

没有人可以富有到能赎回自己的过去。

But it didn't keep its promise to buy back those tombs.

但是他并没有遵守承诺买回这些墓地。

Did all they could to buy back bonds on specified dates?

尽其所能在指定日期买回债券。