Police have ruled out robbery as a motive for the killing.

警方已排除了抢劫是杀人的动机。

《柯林斯英汉双解大词典》

In 1616-1619 an epidemic, possibly of bubonic or pneumonic plague, swept coastal New England, killing as many as nine out of ten.

1616-1619年，一场可能是淋巴腺鼠疫或肺鼠疫的流行病席卷了新英格兰沿海地区，十人中有九人因此死亡。

youdao

In the 1820's fever devastated the people of the Columbia River area, killing eight out of ten of them.

1820年的热病摧毁了哥伦比亚河地区的人民，导致十分之八的人死亡。

youdao

So if you have a mass killing of an ethno-religious group, carried out by a government in order to eliminate those people from their homeland, or to destroy their political and cultural potential - that is,by the conventional definition and most scholarly definitions, a genocide."

VOA: standard.2010.03.18

On 1 March 2011, Theo and Lance Corporal Tasker were on a mission in support of the Irish Guards in the Nahr-e Saraj district in Helmand, when a fire-fight broke out, killing Lance Corporal Tasker.

BBC: Army sniffer dog Theo given top honour

Waller made it to the final ten hopefuls despite this but had to pull out with a voice-killing sore throat.

BBC: Syrupy debut for Pop Idol's Rik

Former Newcastle GP Dr Dave Moor was investigated further by the GMC despite his acquittal following allegations he carried out the "mercy-killing" of a terminally-ill patient.

BBC: Dealing with criminal doctors