1、
They keep on muddying the waters by raising other political issues.
他们不停地提出其他政治问题，力图把水搅浑。
《柯林斯高阶英汉双解学习词典》
2、
It's difficult enough without muddying the issue with religion.
即使不把宗教牵扯进去，这个问题也已经够棘手的了。
《柯林斯高阶英汉双解学习词典》
