The prisoners tried to barter with the guards for items like writing paper and books.

囚犯们试着从看守那里换取稿纸和书之类的东西。

《牛津词典》

In some cases of live birth, the white paper reported that prison guards killed the infant or left it for dead.

在某些活体出生的情况下，白皮书报告说监狱卫兵杀掉婴儿或者任其自生自灭。

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One of the guards showed her a piece of paper.

其中一个护卫出示了一张文件。

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What to us and the guards may look like a scrap of paper becomes for him a tiny piece of his ticket to freedom.

FORBES: The Prisoner's Dilemma: The Key to Creativity

He then is said to have tied Geoghan's hands behind his back, gagged him and wound a sheet around the former priest's neck, tightening it with a shoe before beating him severely until prison guards realised what was happening and intervened, the paper said.

BBC: 'Priest killer' faces charges