You are getting the papers into a muddle. 你把文件都搞乱了。
I wish you wouldn't muddle my books. 我希望你别把我的书搞乱了。
And we have to remember to clean the brush when we change colors, so the paints don't all mix together and look brown and yucky. 同时我们要记得笔刷在换颜色的时候要洗乾净,这样子才不会把所有色彩都搞混在一起,显得乌漆妈黑又难看。
Don't get in a muddle about the dates of the meeting. 不要把集会日期搞错。