混为一谈

I think it´s a serious mistake to confuse books with life.

我认为把书本同生活混为一谈是大错特错。

Politics and sport don´t mix.

政治与体育不可混为一谈。

We cannot identify happiness with wealth.

我们不能把幸福与财富混为一谈。

Unfortunately the public conflated fiction with reality and made her into a saint.

不幸的是，公众把小说和现实混为一谈，把她当成了圣徒。

Kant´s work on the critique of experience became ultimately indistinguishable from ontology and metaphysics.

康德关于经验的评论著作最终与本体论和形而上学混为一谈。