请别弄乱那些文件——我刚整理好。

Please don't ___muddle ___up those files - I've just organized them.

我不小心弄乱了我桌上的文件。

I accidentally ___muddled ___up the papers on my desk.

孩子们把盒子里的玩具都弄乱了。

The children ___muddled ___up all the toys in the box.