All the papers fell out of the binder and now they're all muddled. It will take hours to put them back in order.Todos los papeles se cayeron de la carpeta y ahora están liados. Tomará horas ordenarlos.
I'm afraid I'm a little muddledme temo que estoy un poco confundido;me temo que estoy un poco liado (informal)
she was muddled about the dateshe gave a muddled account of what happenedit was such a muddled explanation that I could hardly follow what he was sayingto [be] muddled (up)to [get] muddled (up)I keep getting muddled up and having to start again