你想吃地道的家常饭菜，你说你吃够了宾馆里和航班上味道不纯的食品。

You wanted proper home-cooked meals, you said you had enough plastic hotel food and airline food.

《柯林斯英汉双解大词典》

即使没有烈酒，酿酒也是不纯的。

Even without the kicker the brew is impure.

youdao

纯的和不纯的情感在外在上的表现可能一模一样。

The external manifestations of pure and impure emotions may be the same.

youdao

Purity, which is the absence of impurity, is a prerequisite for access to the holy or for holy status.

纯洁，不纯的反义词，是接近神圣或达到神圣状态的先决条件。

耶鲁公开课 - 旧约导论课程节选

And scholarship of the nineteenth century and most of the twentieth century is generally characterized by a deep-seated bias that views impurity rules as primitive and irrational taboos, and sacrifice as controlled savagery that's empty of any spiritual meaning.

十九世纪和二十世纪的大部分时期,学术界都有一个,很深层的偏见，那就是认为不纯的规则是,原始且无理的，献祭是野蛮人才干得出来的,无任何精神意义的活动。

耶鲁公开课 - 旧约导论课程节选