This gun is designed for one purpose – it's basically to kill people.

设计这把枪只有一个目的–主要用于杀人。

《柯林斯英汉双解大词典》

They were designed for one purpose only, to kill people.

它们被设计的初衷只有一个，就是取人性命。

youdao

I am writing for one purpose - to get out of the 99% cage you all put me in.

我写这些的目的只有一个，从被关的属于99%的那个笼子里逃出来。

youdao

But every year,it comes alive for just one purpose.

VOA: standard.2010.03.22

I'm sure they sold it in various forms, but one of the most popular was for this purpose.

我确信他们出售各种用途的橄榄油,但最普遍的还是作为清洁工具

耶鲁公开课 - 古希腊历史简介课程节选

They exist to produce, market, and ship great games ultimately for one purpose.

FORBES: Move up http://i.forbesimg.com t Move down

From a quarter-mile away it was clear she was built for one purpose, to explore the far corners of our planet via the high seas.

FORBES: The Real Deal... Mike Horn Takes Young Explorers to the Far Corners of the Planet

Much of the problem is that older circuit-switched networks were designed for one purpose: to connect two callers by opening up a dedicated line between them.

FORBES: Grand illusions