In fact, farmers used to poison them in large numbers.

事实上，农民曾经大量毒杀过它们。

youdao

His comment served only to poison the atmosphere still further.

他的评论只有使气氛更加恶化。

《牛津词典》

Don't allow evil thoughts to poison young people's minds.

不允许邪念毒害青年。

《新英汉大辞典》

They are also used to poison insects in other places such as homes.

VOA: special.2010.05.26

There have been cases,gruesome as they may be, in which entire groups of people drink poison together so as to die not alone, but die together,die as part of jointly dying,dying as a group.

有过一些例子，虽然听起来很可怕，一群人一起喝毒药以免孤单的死去，而是共同死亡，作为群体行为的一部分。

耶鲁公开课 - 死亡课程节选

the different states want corporations to register and therefore the rules are such that they protect the corporation with the poison pills I can't get into all these different things - -stagnant boards, poison pills- and I think if you just change some of that we could be like, for instance, England is much better.

每个州都想让自己的企业注册,所以现在的规则就是,各州都用毒药丸保护企业,我不能干涉所有的这些东西,-没有进步的管理层，毒药丸-,如果你愿意改变其中一些方面的话,我们就会像，例如，英国企业的情况比美国好多了。

耶鲁公开课 - 金融市场课程节选

In 2003-2005 in Italy, colorless chemicals used to poison commercial drink containers claimed 33 lives.

FORBES: Agroterrorism: Managing Risk In The Food Supply Chain

Occasionally when he poured me a drink he would claim he was trying to poison me.

NEWYORKER: The Region of Unlikeness

The war is indeed over, but its legacy continues to poison and haunt Russia.

ECONOMIST: Russian political murders