They met by pure chance.

他们相遇纯属偶然。

《牛津词典》

Their affair was driven by pure lust.

他们私通纯粹是受淫欲的驱使。

《牛津词典》

This time around, we have been aided by pure good luck.

这一次，我们纯属运气好。

youdao

"The scene here at the bottom of the hill where hundreds of houses have been destroyed by a landslide caused by the earthquake, the scene is one of rescue, it's just pure rescue effort that seems devoid of emotion,".

VOA: standard.2009.09.03

The holy is by definition pure: by definition.

神圣不由分说肯定是纯洁的，肯定的。

耶鲁公开课 - 旧约导论课程节选

As measured by pure bits-per-second, Michael, at his peak, processed more information than anyone else.

FORBES: The Smartest Of Them All

By pure economic output, Brazil should be bigger and badder than the United Kingdom.

FORBES: Emerging Nations Realizing It's Not Easy Getting Rich

The Flip burst onto the scene in 2007, with its Ultra Video camera, created by Pure Digital Technologies.

FORBES: Miss the Flip? There Are Alternatives to the Video Cam