Studies show these snakes generally only bite people who are trying to catch or kill them.

研究表明，这些蛇类一般只在人类试图捕捉或者杀死它们时才伤人。

youdao

The immune system will know what the "viruses" look like, and send B cells (lymphocytes) or antibodies to find and kill them.

免疫系统将识别“病毒”的样子，并派遣B细胞（淋巴细胞）或抗体去找到并杀死它们。

youdao

But do not kill them, o Lord our shield, or my people will forget.

不要杀他们，恐怕我的民忘记。主阿，你是我们的盾牌。

youdao

Federal Interior Minister Rehman Malik told reporters that militants have no option but surrender because the government is determined to "either kill them or arrest them."

VOA: standard.2009.09.11

He wanted to kill them, I think, or at least some of them.

我猜他大概恨不得杀死那些金融家，或者至少是杀死其中一部分。

耶鲁公开课 - 金融市场课程节选

Birds of prey are a protected species which means it is illegal to harm or kill them.

BBC: Peregrine falcon

Now you have to allow the police eventually, if they think somebody's going to kill them or try to kill them, to be able to act with all the expertise they have in self-defence and they're trained not to kill somebody but to disarm them and disable them, perfectly proper.

BBC: News | BREAKFAST WITH FROST | Liberal Democrat Home Affairs spokesman Simon Hughes

This means it is an offence to capture, kill or disturb them, as well as damage or destroy their breeding sites or resting places without an appropriate licence.

BBC: Newt deal agreed over ?14m Durham Police HQ