2.(confuse)使糊涂；使迷糊
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。
the mixed motives that muddied Mr Crane's efforts使克兰先生的努力变得难以理解的复杂动机
3.to muddy the waters
(confuse the issue)搅浑水；使局面更不明朗
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。