He was killing himself laughing.

他笑得前仰后合。

《牛津词典》

And proceeds to do the only thing he can do to defend himself against Hal, which is shut down the program, basically killing — if we can talk that way — killing Hal.

而他唯一，能使让哈尔不伤害到自己的举措，就是关闭该程序，基本上也就是杀死，如果我们可以那样表达的话，杀死哈尔。

youdao

When Rebekah was told what her older son Esau had said, she sent for her younger son Jacob and said to him, "Your brother Esau is consoling himself with the thought of killing you."

有人把利百加大儿子以扫的话告诉利百加，她就打发人去，叫了她小儿子雅各来，对他说：“你哥哥以扫想要杀你，报仇雪恨。”

youdao

He wrote letters about killing himself and saying that he was the "most miserable man alive."

VOA: special.2009.02.09

And proceeds to do the only thing he can do to defend himself against Hal, which is shut down the program, basically killing-- if we can talk that way--killing Hal.

而他唯一,能使让哈尔不伤害到自己的举措,就是关闭该程序,基本上也就是杀死,如果我们可以那样表达的话,杀死哈尔

耶鲁公开课 - 死亡课程节选

He considered killing himself.

VOA: special.2010.05.30

It heard two Taser stun guns were fired at Moat in an attempt to stop him killing himself.

BBC: 'I wish Raoul Moat was alive,' says victim's sister

The police said Mr Venner had made no statement before killing himself, although a note was found next to his body.

BBC: Man kills himself inside Notre-Dame cathedral in Paris

Failures by care professionals led to a 70-year-old man strangling his wife before killing himself, an investigation has found.

BBC: Care failures led to Wigan couple's deaths