They released the prisoners.

他们释放了俘虏。

youdao

He called the minister of the interior and, lo and behold, within about an hour, the prisoners were released.

他给内政部长打了个电话，结果你看，不到一个小时囚犯就给释放了。

《柯林斯英汉双解大词典》

Mr Eide said more Afghan prisoners should be released from jail in the American military base in Bagram as "confidence-building measures".

艾德先生说，更多的阿富汗犯人应该作为建立信任的措施从美国在巴格·拉姆的军事基地的监狱中释放。

youdao

Why did it take so long to realize that released prisoners were involved in the planning of this?

VOA: standard.2010.03.24

The Special Rapporteur for Burma urged that next year's elections be fair and transparent, and that all political prisoners be released ahead of the vote.

VOA: standard.2009.10.22

Russian media report the other prisoners being released by Moscow are Sergei Skripal;

VOA: standard.2010.07.09

The emperor released the prisoners and attempted to make peace with Napier, but failed.

BBC: Ethiopia presses for return of treasures

All the released prisoners the BBC spoke to requested anonymity.

BBC: Marange diamond field: Zimbabwe torture camp discovered

Joshua Colangelo-Bryan, a New York-based lawyer who represents several former detainees from Bahrain said the government in that nation released the former prisoners immediately after they were repatriated because of a lack of evidence.

NPR: Future Uncertain for Former Guantanamo Detainees