1. It's difficult enough without muddying the issue with religion. 即使不和宗教搅在一起，这个问题也已够难的了。
2. Muddying the whole issue has been the parallel use of “core interests” advanced by Mr.Dai. 戴先生首先对“核心利益”这个词的平行使用使得这整个问题变得混乱起来。
3. The blunder, she said, reflected a broader muddying of the line between what is private and public online. 她说，这是失误，深思一个更广泛的会弄脏在私人的和公共在线之间的界限。
4. For example, groups of baboons that usually live apart as apparently separate species sometimes aggregate and interbreed, muddying their classification. 比如说，成群的狒狒通常分开居住，很明显被看作独居物种，但是有时他们会聚集和杂交，这样一来他们的分类就很模糊了。
5. This separation between Pages and profiles ensures that users don't have to worry about muddying their business-related updates with their personal ones. 把页面和档案区分开来可以确保用户不必担心把工作更新和私人更新混在一起。
